Free Printable Mole + Mass Part 2

Worksheets

Mole + Mass Part 2

Total questions: 18

Worksheet time: 36mins

Name

Class

Date

The mass of one mole of substance is called...

molecular mass

mole constant

molar mass

atomic weight

Where do you look to calculate the molar mass?

avogadros number

periodic table

How many moles are in 225g of CO?

8.03 mole

28.01 mole

4.82x10²⁴mole

7.50 mole

How many moles are in 1.0g of NaCl ?

0.181 mole

6.0 x 10²³ mole

0.50 mole

0.017 mole

What is the definition of molar mass?

number of grams per one mole of a substance

whole number ratio that is a multiple of a chemical formula

simplest, whole number ratio of a chemical formula

6.02 x 10^23 particles per one mole of a substance

How many moles are present in 32.3 grams of carbon dioxide (CO₂)?

44.01 moles

1421.52 moles

32.3 moles

0.73 moles

How many moles are in 15g of lithium?

104 mol

2.2 mol

0.46

How many moles are in 22g of argon?

0.55mol

1.8mol

8.8x10²mol

How many grams are in 2.4mol of sulfur?

0.075g

77g

6.2x10²g

10.

What is the molar mass of ammonium sulfate?

114.12 g/mol

132.17 g/mol

209.27 g/mol

2.32x10⁵ g/mol

11.

How many moles are in 98.3 g of aluminium hydroxide?

0.794 mol

1.26 mol

2.23 mol

7.67x10³ mol

12.

How many moles are there in 440g of carbon dioxide molecules?

0.25

13.

What is the mass of 0.89 mol of CaCl₂?

111 grams

0.008 grams

98.9 grams

none of the choices

14.

48.86 g of cobalt is equal to how many moles of cobalt?

2879 moles

8.291 moles

.8291 moles

.829 moles

15.

How many molecules of water are in a 821.3 g sample?

45.58 molecules

8.232 x 10²⁵ molecules

8.909 x 10²⁷ molecules

2.744 x 10²⁵ molecules

16.

How many molecules of water are in a 821.3 g sample?

45.58 molecules

8.232 x 10²⁵ molecules

8.909 x 10²⁷ molecules

2.744 x 10²⁵ molecules

17.

How many moles of sodium chloride are in a 321.8 g sample?

18810 moles

3.315 x 10²⁴ moles

5.507 moles

4.767 moles

18.

Convert 86.235 g of diphosphorus pentaoxide to moles.

12240 moles

1.8747 moles

.608 moles

.60755 moles

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Mole + Mass Part 2

Total questions: 18

Worksheet time: 36mins

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