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pH Measurement and Buffer Preparation Quiz

5 Questions

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pH Measurement and Buffer Preparation Quiz

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Questions and Answers

What is the equation for pH in terms of hydrogen ion concentration?

$pH = -log[H^+]$ (correct)

$pH = log[H^+]$

$pH = -2log[H^+]$

$pH = -rac{1}{[H^+]}$

What is the pH range of values?

0-14

-7 to 7

1-14 (correct)

0-10

What is a buffer solution?

An acidic solution

A solution with a high concentration of hydrogen ions

An aqueous solution consisting of a weak acid and its salt or a weak base and its salt (correct)

A solution with a low concentration of hydroxide ions

Which instrument is used to measure the hydrogen ion concentration in a solution?

<p>pH meter</p> Signup and view all the answers

What happens when an acid or base is added to a buffer solution?

<p>The buffer resists large changes in pH</p> Signup and view all the answers

Study Notes

What is the equation for pH in terms of hydrogen ion concentration? What is the pH range of values? What is a buffer solution? Which instrument is used to measure the hydrogen ion concentration in a solution? What happens when an acid or base is added to a buffer solution?

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Description

Test your knowledge on preparing buffer solutions and measuring pH levels. Learn about the relationship between hydrogen ion concentration and pH values.