Chapter 6 Review

Front

What is the conversion factor for moles to grams for Carbon Dioxide (CO2)?

Back

1 mol = 44.01 g

Front

What type of conversion is used to find moles from grams?

Back

Grams to Moles

Front

What is the percent composition by mass of Chlorine (Cl) in HClO3?

Back

42%

Front

How many moles are in 89 liters of water vapor?

Back

3.97 moles

Front

What is the percent composition by mass of Sulfur in Magnesium Sulfate (MgSO4)?

Back

27%

Front

Define molar mass.

Back

The mass of one mole of a substance, typically expressed in grams per mole (g/mol).

Front

What is Avogadro's number?

Back

6.02 x 10^23, the number of atoms or molecules in one mole of a substance.

Front

How do you calculate percent composition by mass?

Back

(mass of element in 1 mole of compound / molar mass of compound) x 100%.

Front

What is the formula to convert grams to moles?

Back

Moles = grams / molar mass.

Front

What is the formula for calculating the number of moles in a gas at standard temperature and pressure (STP)?

Back

Moles = volume (L) / 22.4 L/mol.