# Molar Mass and its Applications

The mass in grams of one mole of any substance is its molar mass. The molar mass of any element is numerically equal to its atomic mass. For instance, one mole of oxygen has a mass of 15.99g./mol One mole of fluorine gas has a mass of 18.99g/mol. To find the mass of a compound, you must add up the individual masses of its component elements. For example, table salt (NaCl) has two elements. The molar mass of sodium is 23g/mol. The molar mass of chlorine is 35.5g/mol. So when you add those together, you get the molar mass of salt, which is 58.5g/mol. This quiz will cover the computations of the molar mass of compounds. You will need a calculator and a periodic table. Select the best answer from the given choices.

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What is the molar mass of silver nitrate? (AgNO3)

170 g/mol

710 g/mol

370 g/mol

172 g/mol

What is the molar mass of carbon dioxide?

24g/mol

28g/mol

44g/mol

48g/mol

What is the molar mass of hydrochloric acid?

36g/mol

26g/mol

38g/mol

24g/mol

What is the molar mass of sulfuric acid?

90 g/mol

109 g/mol

198 g/mol

98 g/mol

What is the molar mass of zinc chloride?

136.67 g/mol

136.4 g/mol

100.9 g/mol

316.4 g/mol

What is the molar mass of sodium?

3

45.5

28.93

23

What is the molar mass of table salt (NaCl)?

220.902 g/mol

58.443 g/mol

35,453 g/mol

116.886 g/mol

What is the mass of one mole of aluminum chloride (remember to determine the correct formula first)?

133.341g

116.87g

345.331g

98.341g

Quiz/Test Summary
Title: Molar Mass and its Applications
Questions: 8
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