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Worksheets

Solutions

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

A mixture in which the particles of a solute are dissolved in the particles of a solvent is called ___

a)

a heterogenous mixture

b)

a solution

c)

a suspension

d)

a colloid

2.

The minor component of a solution, which is dissolved in another substance, is called ___

a)

the solute

b)

the solvent

c)

an alloy

d)

the substrate

3.

The major component of a solution, which does the dissolving, is called ___

a)

the solute

b)

the solvent

c)

the molarity

d)

dilute

4.

What's the solvent in air?

a)

carbon dioxide

b)

water

c)

oxygen

d)

nitrogen

5.

The maximum amount of solute that will dissolve per volume of solvent is called ___

a)

molarity

b)

mass percent

c)

concentration

d)

solubility

6.

Which three factors can affect a substances solubility?

a)

molecular structure, pressure, and temperature

b)

toxicity, pressure, and temperature

c)

molecular structure, toxicity, and temperature

d)

molecular structure, pressure, and toxicity

7.

The number of moles of solute per liter of solution is called ___

a)

mass percent

b)

molarity

c)

molality

d)

molar abundance

8.

The number of moles of solute per kilogram of solvent is called ___

a)

mass number

b)

molarity

c)

molality

d)

mass percent

9.

The mass percent is the mass of the solute divided by the mass of the solution all multiplied by ___

a)

2

b)

8

c)

10

d)

100

10.

Gas molecules don’t interact that strongly, so gases pretty much always ___

a)

stay isolated from each other

b)

form heterogenous mixtures

c)

form two or more phases

d)

dissolve in each other

11.

With respect to the structure of the molecules, the biggest factor that affects solubility is ___

a)

the presence of oxygen

b)

polarity

c)

the number of bonds

d)

the molar mass

12.

For a substance to dissolve, it needs to interact favorably with the solvent, which only happens if ___

a)

they have similar polarities

b)

they have opposite electronegativites

c)

they have the same charges

d)

they are dissimilar elements

13.

Which family of fish contains a poison called tetrodotoxin, which dissolves easily in water?

a)

cod

b)

salmon

c)

tilapia

d)

puffer fish

14.

To get all those bubbles in soda-pop, what gas is dissolved in the water?

a)

nitrogen

b)

carbon dioxide

c)

oxygen

d)

carbon monoxide

15.

The portion of pressure caused by a particular gas is called its ___

a)

portioned pressure

b)

pressurized portion

c)

partial pressure

d)

particular pressure

16.

Which English chemist developed an equation to calculate the concentration of a dissolved gas in a liquid?

a)

William Henry

b)

John Dalton

c)

Robert Boyle

d)

Joseph Priestley

17.

According to Henry's Law, the concentration of a dissolved gas in a liquid is directly proportional to ___

a)

atmospheric pressure

b)

the pressure of other gases above the solution

c)

the total pressure on the system

d)

the partial pressure of the gas above the solution

18.

To calculate the volume of 0.06 moles of CO2, at normal atmospheric conditions, which equation was used?

a)

mass percent

b)

Henry’s law

c)

Dalton's law of partial pressures

d)

the ideal gas law

19.

At normal atmospheric conditions, the carbon dioxide in a can of cola will expand to a volume of ___

a)

0.5 liters

b)

just a few burps worth

c)

1.5 liters

d)

5.1 liters

20.

For a solid solute in a liquid solvent, as temperature increases, the solubility ___

a)

decreases

b)

remains constant

c)

increases

d)

is not empirically observable

21.

As temperature increases, the solubility of a gas in a liquid generally ___

a)

decreases

b)

remains constant

c)

increases

d)

doubles

22.

It’s safer and cleaner to open a can of soda-pop when it’s ___

a)

cold rather than when it’s hot

b)

hot rather than when it’s cold

c)

shaken rather than when it’s stirred

d)

stirred rather than when it’s shaken

23.

At 4 °C the solubility of oxygen in water is about double that of what it is at ___

a)

-25 °C

b)

0 °C

c)

25 °C

d)

100 °C

24.

Polar solvents tend to dissolve ___

a)

nonpolar solutes

b)

polar solutes

c)

oils

d)

hydrocarbons

25.

Nonpolar solvents tend to dissolve ___

a)

nonpolar solutes

b)

polar solutes

c)

in water

d)

ionic compounds