WorksheetsCollege Chemistry Unit 6: Lesson 1 Practice
Total questions: 21
Worksheet time: 1hrs 3mins
The ___ is the thing being dissolved
solute
solvent
saturation
solubility
How many L are required to make 3.5 M hydrochloric acid using 1.1 moles?
ROUND TO THE HUNDREDTHS PLACE. DO NOT INCLUDE UNITS.
(a)
If you have 0.0450 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?
20.9 mol
0.021 mol
0.02 mol
0.0209 mol
How many moles are needed to make 2.5 L of a 3.8 M solution?
DO NOT INCLUDE UNITS!
(a)
60mL of ethanol is diluted with water to a final volume of 400mL. What is the percent by volume of ethanol in the solution?
Don't put a % symbol in your answer.
(a)
What is the percent composition of a sugar solution where 10 grams of sugar is added to 100 grams of water?
.10%
0.091%
10.0%
9.1%
How many mL of 1.0M KBr solution would you need to prepare 250 mL of a 0.2M dilution?
175 mL
250 mL
50 mL
5 mL
What would the molarity of a solution be if you took 10 mL of a 13M stock solution and made a 300 mL solution?
390M
230M
0.43M
0.26M
You are adding a chlorine solution to a swimming pool. The stock solution of chlorine is 1000M. Your swimming pool (75,000 L) needs to be at a concentration of 0.1M. How much of the stock solution should you add?
7500 L
.75 L
750 L
7.5 L
What is the concentration of a solution in parts per million if 0.02 grams of NaCl is dissolved in 1000 grams of water?
2 ppm
20 ppm
200 pm
0.2 ppm
Which unit can be used to express the concentration of a solution?
L/s
J/g
ppm
kPa
What is the concentration of solution (in ppm) made up of 0.005 grams of solute in 350 grams of solution?
14.3 ppm
12.1 ppm
1.4 ppm
9.8 ppm
If you have 34 mL of a 0.5 M NaBr solution, what will the concentration be if 56 mL of water is added to it?
.188 M
3.78 M
.389 M
1.76 M
