ACIDS, BASES AND BUFFERS CALCULATIONS

1. STRONG ACID CALCULATIONS

1.1. Calculate the pH of diprotic strong acid

1.1.1. STEP 1

1.1.2. STEP 2

1.2. Calculate the concentration of a diprotic strong acid

1.2.1. STEP 1

1.2.2. STEP 2

1.3. Calculate the pH of a monoprotic strong acid

1.3.1. THIS IS ALL YOU NEED TO DO

1.4. Calculate the concentration of s monoprotic Strong acid

1.4.1. THIS IS ALL YOU NEED TO DO

2. BASE CALCULATIONS

2.1. Calculate the pH of a base that dissociates to give 1 mole of Hydroxide ions

2.1.1. STEP 1

2.1.2. STEP 2

2.2. Calculate the concentration of a base that dissociates to give 1 mole of Hydroxide ions

2.2.1. STEP 1

2.2.2. STEP 2

2.3. Calculate the pH of a base that dissociates to give 2 moles of OH-

2.3.1. STEP 1

2.3.2. STEP 2

2.3.3. STEP 3

2.4. Calculate the concentration of a base that dissociates to give 2 moles of OH-

2.4.1. STEP 1

2.4.2. STEP 2

2.4.3. STEP 3

3. WATER CALCULATIONS

3.1. Calculate the pH of pure water

3.1.1. STEP 1

3.1.2. STEP 2

3.2. Calculate Kw from the pH of pure water

3.2.1. STEP 1

3.2.2. STEP 2

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5. BUFFER CALCULATIONS

5.1. Calculate the pH of a buffer solution

5.1.1. STEP 1

5.1.2. STEP 2

5.2. Calculate the concentration of the salt in a buffer solution

5.2.1. STEP 1

5.2.2. STEP 2

5.3. Calculate the concentration of the weak acid

5.3.1. STEP 1

5.3.2. STEP 2

5.4. Calculate the pH of a buffer made from equal concentrations of acid and salt

5.4.1. STEP 1

5.4.2. STEP 2

5.5. Calculate the ratio of salt to acid needed to make a buffer solution of a given pH

5.5.1. STEP 1

5.5.2. STEP 2

6. WEAK ACID CALCULATIONS

6.1. Calculate Ka

6.1.1. IF YOU ARE GIVEN pH THIS IS STEP 1, ELSE GO STRAIGHT TO STEP 2

6.1.2. STEP 2

6.2. Calculate the concentration of a weak acid

6.2.1. STEP 1

6.2.2. STEP 2

6.3. Calculate the pH of a weak acid

6.3.1. STEP 1

6.3.2. STEP 2

7. PKa CALCULATIONS

7.1. Calculate pKa

7.1.1. IF YOU ARE GIVEN Ka

7.1.2. IF YOU DON'T HAVE Ka

7.1.2.1. STEP 1

7.1.2.2. STEP 2

7.2. Calculate Ka from pKa

7.2.1. THIS IS ALL YOU NEED TO DO