WorksheetsPercent by mass in solutions
Total questions: 10
Worksheet time: 37mins
___________ refers to the amount of solute dissolved in a given amount per volume of solution
Concentration
Dilution
Precipitation
None of the above
What is the percent by mass of a solution made by dissolving 20.0 g of NaCl into 180.0 g of water?
10.0 %
11.1 %
80.0 %
20.0 %
What mass of water should be added to 22.0 g of KCl to make 5.50% by mass solution?
400 g
40 g
0.25 g
25 g
What is the percent concentration of sugar in pink lemonade if 28 g of sugar is added to 209 g of water?
14.7 %
5.14 %
13.4 %
8.47 %
11.8 %
How many grams of NaNO3 are needed to prepare 100 g of 15.0 % by mass NaNO3 solution? (MM = 85 g/mol)
15 g
1275 g
12.75 g
150 g
What is the molarity of 0.068 mol of NaCl in 3.8 L of solution?
0.018 M
0.0011 M
1.052 M
0.062 M
How many grams of solute are dissolved in 0.125 L of 5.00 M NaCl (MM = 58.45)?
0.625 g NaCl
625 g NaCl
36.5 g NaCl
0.04 mol NaCl
Calculate the molarity of the following solution: 1.0 mole of KCl in 0.750 L of solution.
0.750 M
99 M
1.3 M
2.0 M
