1. you want to prepare an approximately 0.10 M solution of sodium hydroxide. How

Question

1. you want to prepare an approximately 0.10 M solution of sodium hydroxide. How many grams of sodium hydroxide must be added to give you 500 ml of solution? Record this number elsewhere for use when in the lab. Question 1 options:

A) 2000 grams

B) 9 grams

C) 0.001 grams

D) 2 grams

2.

When a certain mass of the solid acid potassium hydrogen phthalate, KHP, was dissolved in water, 25.0 ml of 0.100 M sodium hydroxide were needed to get the to the equivalence point. How many grams of KHP were used? The molar mass of KHP is 204.2 g/mol.

Question 2 options:

0.5105 g

.511 g

.5 g

5.11 g

A)

0.5105 g

B)

.511 g

C)

.5 g

D)

5.11 g

Explanation / Answer

1) D

2) B

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