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26 Jun 2022

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Fun with pH: Strong Acids, Bases, and Buffers Explained

S

Sophie

@sophie_rfgb

This PDF provides essential formulas and equations for calculating pH,... Show more

formula sheet
pH = -log₁0 [H+]
CHI 10H
- for strong acids, [H*] = [acid]
-
kw=1-0 × 10- (on data sheet)
kw=[H] [OH-]
[H*] = kw
[OH-]
[OH-] =

Formula Sheet for pH Calculations and Buffer Solutions

This page presents a concise collection of formulas crucial for pH Calculations A Level Chemistry AQA and OCR a level chemistry buffers questions. The formulas cover various aspects of acid-base chemistry and buffer solutions, essential for Module 5 acids bases buffers ph sheet pdf.

The sheet begins with the fundamental pH equation:

Definition: pH = -log₁₀ H+H⁺

This formula is the cornerstone of pH calculations, relating the hydrogen ion concentration to the pH value.

For strong acids, a simplified approach is provided:

Highlight: H+H⁺ = acidacid

This equality holds true for strong acids due to their complete dissociation in solution.

The sheet also includes the water dissociation constant KwKw and its relationship with hydrogen and hydroxide ion concentrations:

Kw = H+H⁺OHOH⁻ = 1.0 × 10⁻¹⁴ at25°Cat 25°C

Example: To calculate OHOH⁻ when H+H⁺ is known, use OHOH⁻ = Kw / H+H⁺

For weak acids, the acid dissociation constant KaKa is introduced:

Ka = H+H⁺² / HAHA

This leads to the formula for calculating hydrogen ion concentration in weak acid solutions:

H+H⁺ = √Ka×[HA]Ka × [HA]

Vocabulary: pKa is the negative logarithm of Ka, expressed as pKa = -log₁₀Ka

The formula sheet also covers buffer solutions, which are crucial for Buffer Calculations A level Chemistry OCR:

For a buffer composed of a weak acid and its conjugate base salt:

H+H⁺ = Ka × HAHA / AA⁻

Highlight: The ICEE method is mentioned for pH calculations of buffers formed by mixing weak acids with bases, though the specific steps are not detailed on this sheet.

This comprehensive formula sheet serves as an excellent resource for students preparing for OCR A Level chemistry module 5 practice questions answers and tackling Acid and base calculations pdf problems. It covers the essential equations needed for a wide range of pH and buffer calculations, making it an invaluable tool for Pmt OCR A level Chemistry module 5 revision.



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Anna

iOS user

Best app on earth! no words because it’s too good

Thomas R

iOS user

Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.

Basil

Android user

This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.

Rohan U

Android user

I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.

Xander S

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now

Paul T

iOS user

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

Best app on earth! no words because it’s too good

Thomas R

iOS user

Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.

Basil

Android user

This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.

Rohan U

Android user

I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.

Xander S

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now

Paul T

iOS user

 

Chemistry

302

26 Jun 2022

1 page

Fun with pH: Strong Acids, Bases, and Buffers Explained

S

Sophie

@sophie_rfgb

This PDF provides essential formulas and equations for calculating pH, concentrations, and equilibrium constants in acid-base chemistry. It covers strong acids, strong bases, weak acids, and buffer solutions.

Key points:

  • Formulas for pH calculation and relationship with [H+]
  • Equations for... Show more

formula sheet
pH = -log₁0 [H+]
CHI 10H
- for strong acids, [H*] = [acid]
-
kw=1-0 × 10- (on data sheet)
kw=[H] [OH-]
[H*] = kw
[OH-]
[OH-] =

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Formula Sheet for pH Calculations and Buffer Solutions

This page presents a concise collection of formulas crucial for pH Calculations A Level Chemistry AQA and OCR a level chemistry buffers questions. The formulas cover various aspects of acid-base chemistry and buffer solutions, essential for Module 5 acids bases buffers ph sheet pdf.

The sheet begins with the fundamental pH equation:

Definition: pH = -log₁₀ H+H⁺

This formula is the cornerstone of pH calculations, relating the hydrogen ion concentration to the pH value.

For strong acids, a simplified approach is provided:

Highlight: H+H⁺ = acidacid

This equality holds true for strong acids due to their complete dissociation in solution.

The sheet also includes the water dissociation constant KwKw and its relationship with hydrogen and hydroxide ion concentrations:

Kw = H+H⁺OHOH⁻ = 1.0 × 10⁻¹⁴ at25°Cat 25°C

Example: To calculate OHOH⁻ when H+H⁺ is known, use OHOH⁻ = Kw / H+H⁺

For weak acids, the acid dissociation constant KaKa is introduced:

Ka = H+H⁺² / HAHA

This leads to the formula for calculating hydrogen ion concentration in weak acid solutions:

H+H⁺ = √Ka×[HA]Ka × [HA]

Vocabulary: pKa is the negative logarithm of Ka, expressed as pKa = -log₁₀Ka

The formula sheet also covers buffer solutions, which are crucial for Buffer Calculations A level Chemistry OCR:

For a buffer composed of a weak acid and its conjugate base salt:

H+H⁺ = Ka × HAHA / AA⁻

Highlight: The ICEE method is mentioned for pH calculations of buffers formed by mixing weak acids with bases, though the specific steps are not detailed on this sheet.

This comprehensive formula sheet serves as an excellent resource for students preparing for OCR A Level chemistry module 5 practice questions answers and tackling Acid and base calculations pdf problems. It covers the essential equations needed for a wide range of pH and buffer calculations, making it an invaluable tool for Pmt OCR A level Chemistry module 5 revision.

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.9/5

App Store

4.8/5

Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

Best app on earth! no words because it’s too good

Thomas R

iOS user

Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.

Basil

Android user

This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.

Rohan U

Android user

I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.

Xander S

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now

Paul T

iOS user

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

Best app on earth! no words because it’s too good

Thomas R

iOS user

Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.

Basil

Android user

This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.

Rohan U

Android user

I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.

Xander S

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now

Paul T

iOS user