OnlineNursingOwl
← All nursing posts

Chemistry · Studypool

exercise

Overview

1. 50 g of a solution containing 3.7 % sucrose by mass

Express your answer using two significant figures.

2. 107 mgmg of a solution containing 10.5 %% sucrose by mass

Express your answer using three significant figures.

3.3 kg of a solution containing 14.9 %% sucrose by mass

Express your answer using two significant figures.

4. 0.052 %% NaClNaCl by mass

Express your answer using two significant figures.

5. 1.58 %% NaClNaCl by mass

Express your answer using two significant figures.

6. 7.64 %% NaClNaCl by mass

Express your answer using two significant figures.

7. What mass of ocean water in grams contains 41.8 gg of NaClNaCl?

Express your answer in grams to two significant figures.

8. Calculate the molarity of a solution made by putting 55.8 gg of NaNO3NaNO3 into a beaker and diluting to 2.50 LL.

Express your answer to three significant figures including the appropriate units.

9. How much of a 0.225 MKCl�KCl solution contains 55.8 gg of KClKCl?

Express your answer to three significant figures and include appropriate units.

10. How much KClKCl in grams should the chemist use?

Express your answer using two significant figures.