Free Printable Mass, Mole, Atoms

1.

How many potatoes are in one dozen potatoes?

a)

10

b)

12

c)

2

d)

6.02 x 10²³

2.

If one dozen potatoes weighs 2 pounds, what is the mass of 1.5 dozen potatoes?

a)

2 lbs

b)

12 lbs

c)

3 lbs

d)

6.02 x 10²³ lbs

3.

What is the mole used for?

a)

To measure the amount of grams in a substance

b)

To measure the amount of atoms or molecules in a substance

c)

To measure the amount of energy in a substance

d)

To measure the amount of bonding in a substance

4.

Avogadro's number is

a)

$6.02\ x\ 10^{23}$

b)

$6.02\ x\ 10^2$

c)

$6.02$

d)

$6.02\ x\ 10^{25}$

5.

How many atoms are in one mole?

a)

$6.02\ x\ 10^{23}$

b)

$6.02\ x\ 10^{20}$

c)

$6.02\ x\ 23$

d)

$6.02\ x\ 1^{23}$

6.

If I have one mole of gold, how many atoms of gold do I have?

a)

$6.02$

b)

$602,000$

c)

$6.02\ \times\ 10^{23}$

d)

$197$

7.

What units are used for molar mass?

a)

$\frac{grams}{mole}$

b)

$\frac{moles}{atom}$

c)

$AMU$

d)

degrees Fahrenheit

8.

What is the molar mass of Argon?

a)

18

b)

39.948

c)

112.4

d)

82

9.

What is the molar mass of calcium?

a)

40.078

b)

20

c)

2

d)

6.022 x 10^23

10.

What is the molar mass of Mercury?

a)

80

b)

200.59 x 10^23

c)

200.59

d)

80 x 10^23

11.

How many moles of oxygen atoms are in 31.998 grams of oxygen?

To solve this problem you should...

a)

multiply by $\frac{1\ mole}{6.022x10^{23}}$

b)

multiply by $\ \frac{1\ mole}{15.999\ g}$

c)

multiply by $\frac{6.022x10^{23}}{1\ mole}$

d)

multiply by $\frac{15.999\ g}{1\ mole}$

12.

How many moles of oxygen atoms are in 3.011 x 10^23 atoms of oxygen?

To solve this problem you should...

a)

multiply by $\frac{1\ mole}{6.022x10^{23}}$

b)

multiply by $\ \frac{1\ mole}{15.999\ g}$

c)

multiply by $\frac{6.022x10^{23}}{1\ mole}$

d)

multiply by $\frac{15.999\ g}{1\ mole}$

13.

How many moles of silicon atoms are in 1.000 x 10^22 atoms of silicon?

To solve this problem you should...

a)

multiply by $\frac{1\ mole}{6.022x10^{23}}$

b)

multiply by $\ \frac{1\ mole}{28.085\ g}$

c)

multiply by $\frac{6.022x10^{23}}{1\ mole}$

d)

multiply by $\frac{28.085\ g}{1\ mole}$

14.

How many silicon atoms are in 3 moles of silicon?

To solve this problem you should...

a)

multiply by $\frac{1\ mole}{6.022x10^{23}}$

b)

multiply by $\ \frac{1\ mole}{28.085\ g}$

c)

multiply by $\frac{6.022x10^{23}}{1\ mole}$

d)

multiply by $\frac{28.085\ g}{1\ mole}$

15.

What is the mass of 3 moles of silicon?

To solve this problem you should...

a)

multiply by $\frac{1\ mole}{6.022x10^{23}}$

b)

multiply by $\ \frac{1\ mole}{28.085\ g}$

c)

multiply by $\frac{6.022x10^{23}}{1\ mole}$

d)

multiply by $\frac{28.085\ g}{1\ mole}$

16.

The molar mass of an element is the mass of one ____ of the element.

a)

atom

b)

molecule

c)

mole

d)

gram

17.

Where do you look to calculate the molar mass?

a)

avogadros number

b)

periodic table

18.

How many moles of carbon atoms are there in 5g of carbon?

a)

60 mol

b)

17 mol

c)

0.42 mol

d)

7 mol

19.

How many moles of Francium (Fr) are in 7.4 x 10²⁶ atoms?

a)

1.23 moles

b)

44.56 x 10⁴⁹ moles

c)

87 moles

d)

1.23 x 10³ moles Fr

20.

How many moles are in 4.5x10²⁴ particles?

a)

7.47 particles

b)

7.47mol

c)

2.71x10⁴⁷ mol

d)

2.71x10⁴⁷ particles

Mass, Mole, Atoms

Total questions: 20

Worksheet time: 14mins

Similar Resources on Wayground