HC Ch 15 Test
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Robert Oliver
FREE Resource
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40 questions
Show all answers
1.
DRAG AND DROP QUESTION
1 min • 1 pt
Approximately 38 g of NaCl can be dissolved in 100 g of water at 25 °C.
A solution prepared by adding 35 g of NaCl to 100 g of water at 25 °C is unsaturated.
(a)
False
2.
DRAG AND DROP QUESTION
1 min • 1 pt
To prepare 20.0 mL of a 2.00 M solution of hydrochloric acid from a 10.0 M stock solution, you should take 4.00 mL of the stock solution and add 20.0 mL of water.
(a)
True
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The total mass of a solution is 153.4 g. The solvent mass is 125.2 g. What is the mass percent of the solute?
122.5%
not enough information given
18.38%
81.62%
22.52%
4.
DRAG AND DROP QUESTION
1 min • 1 pt
An oven-cleaning solution is 40.0% (by mass) NaOH. If one jar of this product contains 454 g of solution, how much NaOH does it contain?
(a)
1.14 × 10³ g
114 g
None of these
5.
DRAG AND DROP QUESTION
1 min • 1 pt
A solution is prepared by dissolving 7.31 g of Na₂SO₄ in enough water to make 225 mL of solution. Calculate the solution molarity.
(a)
1.64 M
3.11 M
0.136 M
30.8 M
6.
DRAG AND DROP QUESTION
1 min • 1 pt
What mass of solute is contained in 25.4 mL of a 1.56 M potassium bromide solution?
(a)
3.02 g
186 g
119 g
7.
DRAG AND DROP QUESTION
1 min • 1 pt
What volume of a 10.0 M HNO₃ solution is needed to completely neutralize 575 mL of a 4.10 M KOH solution?
(a)
0.0236 mL
236 mL
2.36 mL
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