Converting Grams to Moles

Convert 50.0 grams of H₂O to moles of H₂O.

• 901 moles

• 18.02 moles

• 2.77 moles

When converting a mass to moles, what unit must be in the denominator of the conversion factor?

• grams

• moles

• grams/mole

Convert 13.25 grams of magnesium nitrate, Mg(NO₃)₂, to moles of the substance.

• 0.100 mole

• 0.0986 mole

• 0.0893 mole

176 grams of carbon dioxide, CO₂, is equal to how many moles of the substance.

• about 44 moles

• about 4 moles

• about 1 mole

• 9.375 moles

• 10 moles

• 11.25 moles

• 12.5 moles

• 0.98 moles

• 1.02 moles

• 1.5 moles

• 2 moles

• 0.5 moles

• 1.14 moles

• 1.36 moles

• 2.27 moles

If you were converting from grams Z to moles Z, which conversion factor would you use?

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How many steps are in a gram to mole conversion?

• 1

• 2

• 3

• 4

Which conversion factor should be used to solve the following, "How many moles in 28 grams of CO₂?"

• 1 mol = 22.4 L

• 1 mol = 44.0 g

• 1 mol = 6.02x10²³ atoms

• more than one