Molar Mass 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

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

• grams

• moles

• grams/mole

A mass of 6 g of Carbon contains

• 1 mole of C

• 2 moles of C

• 0.5 moles of C

Tags

NGSS.HS-PS1-7

What is the molar mass of NaOH?

• 368 g/mole

• 40 g/mole

• 57 g/mole

Tags

NGSS.HS-PS1-7

How many moles are in 15 grams of lithium?

• 0.5 moles

• 104.1 moles

• 2.2 moles

How many moles are in 9.8 grams of calcium?

• 0.2 moles

• 4.1 moles

• 1 mole

Where do you look to calculate the molar mass?

• avogadros number

• periodic table 

Convert 100 grams of NaCl to moles of NaCl.

• 1.71 moles

• 2.5 moles

• 0.5 moles

• 3.0 moles

• 44 g/mole

• 32 g/mole

• 28 g/mole

• 18 g/mole