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Practice: Acid/Base Buffer pH Calculations

Henderson-Hasselbalch practice for chemistry students: 10 problems ask for the pH of a buffer solution or the new pH after acid or base is added, and each has a worked step-by-step solution.
Practice: Acid/Base Buffer pH Calculations preview: 10 buffer pH practice problems
Practice: Acid/Base Buffer pH Calculations preview
Practice: Acid/Base Buffer pH Calculations preview 2
Practice: Acid/Base Buffer pH Calculations preview 3
Grades
Grades 8–12, Middle School, High School
File type
Microsoft Word

Updated Oct 26, 2026

Subject
Science, Chemistry
Topic
acid/base, buffer
Resource types
Worksheets & Printables, Worksheets

About this resource

What's inside this resource

This resources includes 10 practice problems which cover the calculations of acid/base buffer pH using the Henderson-Hasselbalch formula pH = pKa + log(A-/HA).

Half of the problems are designed for the calculation of buffer pH and the other half the resulting pH when adding to a buffer solution.

The answers and solutions to each questions are provided.

This resource is available with Korean and Spanish translations for ESL students.

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24 related resources were found using this product's title, contributor, categories and tags.

Acid/Base Buffer pH Calculations Practice ESL: Korean version Acid/Base Buffer pH Calculations Practice ESL: Korean versionAcid/Base Buffer pH Calculations Practice ESL: Spanish version Acid/Base Buffer pH Calculations Practice ESL: Spanish versionAcid and Base Nomenclature ESL: Korean version Acid and Base Nomenclature ESL: Korean versionAcid and Base Nomenclature Practice - English and Spanish Acid and Base Nomenclature Practice - English and Spanish

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Calculate the pH of a buffer using pH = pKa + log(A-/HA)
  • Calculate the pH of a buffer after a strong acid or base is added

Teaching tips

  • Several problems require converting Ka or Kb values and taking logarithms, so students need a calculator with a log function.

Skills covered

  • Buffer calculations — applying the Henderson-Hasselbalch equation with given concentrations and Ka values
  • Stoichiometry within buffers — adjusting acid and conjugate base amounts after an addition before finding pH

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Resource details

Concepts & topics

Core concepts

  • Buffer solutions
  • Henderson-Hasselbalch equation
  • pKa
  • Conjugate acid-base pairs

Topics

acid/base buffer pH calculations Chemistry Practice Chemistry study acid base calculations chemistry buffer practice problems

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Categories this resource belongs to

Science Worksheets Chemistry Worksheets 10th Grade Worksheets 11Th Grade Worksheets 12Th Grade Worksheets 8th Grade Worksheets

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