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CHE 105/110 Introduction to Chemistry - Exercises and Answers

Acid-Base Titrations

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QUESTION ANSWER

1.

Define titration.

1.

a chemical reaction performed in a quantitative fashion

3.

True or false: An acid is always the titrant. Explain your answer.

3.

False; a base can be a titrant, or the reaction being performed may not even be an acid-base reaction.

5.

If 55.60 mL of 0.2221 M HCl was needed to titrate a sample of NaOH to its equivalence point, what mass of NaOH was present?

5.

0.494 g

7.

It takes 45.66 mL of 0.1126 M HBr to titrate 25.00 mL of Ca(OH)2 to its equivalence point. What is the original concentration of the Ca(OH)2 solution?

7.

0.1028 M

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