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Unit 9 (A) Level 1 Review

Last updated 2 months ago

8 questions

Required

1

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1

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Question 4

4.

What does solubility refer to in chemistry?

Amount of particles needed of substance in a solution

Ability of a solvent to dissolve in a solute.

Temperature required to make a solution

Ability of a solute to dissolve in a solvent.

Color of the solute

Question 5

5.

How many moles of NaCl are needed to prepare a 10.0 L solution with a molarity of 4.3 M?

230 moles

43 moles

2.3 moles

0.43 moles

Question 6

6.

How many grams of NaCl are needed to prepare a 2.0 mL solution with a molarity of 3.0 M?

0.35 g

6.0 g

0.006 g

0.67 g

1.5 g

Question 7

7.

Identify the solvent in kool-aid.

kool-aid mix

water

Question 8

8.

Which of the following is likely to form a precipitate?

CaCO3

NaCl

K2SO4

Mg(NO3)2

Question 1

1.

How much KCl must be dissolved in 100 g of water at 40C to create a saturated solution?

60

40

80

25

Question 2

2.

Dissolving 60 g of HCl into 100 g of water at 40C will yield what type of solution?

unsaturated

saturated

supersaturated

Question 3

3.

Which compounds solubility is least affected by temperature changes?

NaCl

KNO3

KI

KClO3