Mass to Mole Conversion

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

• about 44 moles

• about 4 moles

• about 1 mole

You have 400g of sodium, how many moles of salt will be formed? What type of conversion is this?

• mole to mole

• mass to mole

• mole to mass

• mass to mass

the units for molar mass are...

• g/mol

• mol/mol

• g

• mol

Tags

NGSS.HS-PS1-7

the units for molar mass always is per _____

• 1 mole

• 2 moles

• the coefficient on the compound number of moles

Tags

NGSS.HS-PS1-7

• 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

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

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

• 28 grams

• 56 grams

• 6.02 grams

• 1.2 grams

Tags

NGSS.HS-PS1-7

How many moles are in 3.01 x 10²² atoms of magnesium?

• 0.05 moles

• 1.81 x 10⁴⁶ moles

• 5.00 x 10²¹ moles

• 5 moles

What is the molar mass of water (H2O) and how many moles are in 36 grams of water?

• A) 18 g/mol, 2 moles

• B) 18 g/mol, 1 mole

• C) 36 g/mol, 1 mole

• D) 36 g/mol, 2 moles