Mole to Mass Conversion

mass to mass stoich conversions need which conversion factors?

• mole ratio only

• mole ratio and 1 molar mass

• mole ratio and 2 molar masses

• just molar mass

The mass of 1 mole is known as

• A mole

• Molar mass

• Percent Composition

• Grams

• 1 mol = 201 g

• 1 mol = 461 g

When do you need to calculate molar mass?

• Every time

• Given the chemical formula

• Given Moles and Molecules

• Given Moles and Grams

Tags

NGSS.HS-PS1-7

What do you always start your conversion table with?

• The molar mass

• 1 mol = molar mass

• The given

What units are used for molar mass?

• mol

• grams (g)

• grams per mole (g/mol)

• Molecules

How many grams are in 1.2 x 10²⁴ molecules of CO?

• 28 grams

• 56 grams

• 6.02 grams

• 1.2 grams

How many moles are in 16.94g of water?

• 16.94 mol H₂O

• 0.9401 mol H₂O

• 305.3 mol H₂O

• 1.063 mol H₂O

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

• mol = 22.4 L 

• mol = 44.01 g

• mol = 6.02x10²³ atoms

• more than one

Tags

NGSS.HS-PS1-7

What is the first step in converting moles to mass?

• Determine the molar mass of the substance

• Find the number of molecules

• Calculate the volume of the substance

• Identify the chemical formula