Free Printable Midterm Review Quiz 3

1.

What is the formula for density?

a)

$Density=\frac{mass}{volume}$

b)

$Density=mass\times volume$

c)

$Density=\frac{volume}{mass}$

2.

What formula can you use to solve for mass when given volume and density?

a)

$mass=\frac{volume}{density}$

b)

$mass=\frac{density}{volume}$

c)

$mass=density\ \times volume$

3.

What formula can you use to solve for volume when given mass and density?

a)

$volume=\frac{mass}{density}$

b)

$volume=\frac{density}{mass}$

c)

$volume=\ mass\ \times\ volume$

4.

What is the density of the unknown object that weighs 6 grams and has a volume of 2 mL.

a)

3 g/mL

b)

3 mL/g

c)

12 g/mL

d)

12 mL/g

5.

What is the mass of an object with a density of 12 g/mL and volume of 2 mL

a)

6 g

b)

6 mL

c)

24 g

d)

24 mL

6.

What conversion factor do you need to use to go from grams to moles?

a)

Avogadro's number

b)

Atomic Mass

c)

Atomic Number

d)

Both Atomic Mass and Avogadro's number

7.

What conversion factor do you need to use to go from atom to moles?

a)

Avogardo's number

b)

Atomic Mass

c)

Atomic Number

d)

Both Atomic Mass and Avogadro's number

8.

What conversion factor do you need to use to go from atoms to grams?

a)

Avogadro's number

b)

Atomic Mass

c)

Both Atomic Mass and Avogadro's number

d)

Atomic Number

9.

How many moles are there in 4 grams of oxygen?

a)

.25 mol

b)

64 mol

c)

12 mol

d)

4 mol

10.

How many grams are there in .5 moles of Calcium

a)

20 g

b)

80 g

c)

10 g

d)

60 g

11.

How many atoms are in 2 moles of Carbon

a)

$6.022\times10^{23}$ atoms

b)

$1.204\times10^{24}$ atoms

c)

$3.022\times10^{23}$ atoms

12.

When will an object float in water?

a)

When the density is greater than 1 g/ml

b)

When the density is less than 1 g/ml

c)

When the density is equal to 1 g/ml

13.

How many moles are in $1.26\ \times\ 10^{24}$ atoms of carbon

a)

2.09

b)

4.18

c)

3.28

d)

12.01

14.

Convert 6 grams of Carbon to atoms

a)

$3.011\times10^{23}$

b)

$2.04\times10^{23}$

c)

$6.626\times10^{34}$

Midterm Review Quiz 3

Total questions: 14

Worksheet time: 19mins

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