Mole Corrections

what are the units for molar mass?

• grams

• grams per mole

• particles per mole

• mole

How would you find the molar mass for K₂S?

• Add 1 mole of sulfur to 2 moles of potassium

• Add 2 moles of potassium to 1 mole of sulfur

• Add 1 mole of sulfur to 1 mole of potassium

• Add 2 mole of sulfur to 2 moles of potassium

What is the empirical formula for C₄H₆

• CH

• C₂H₃

• CH₃

• C₄H

The mass of one _____is the molar mass of the element

• mole

• gram

• particle

• milliliter

What conversion factor should be used if f.u. and moles are in your problem

• molar mass

• avogadros number

5 moles of Na is ______ molecules, what conversion factor

• molar mass

• avogadro's number

• avogadro's number and molar mass

How many atoms are in 20g of Ba. Conversion factor?

• molar mass

• avogadro's number

• molar mass and avogadro's number

Which is not a set of units for avogagdro's number

• g/mol

• atoms/mol

• molecules/mol

• formula units/mol

Which is always the true formula for a compound?

• molecular

• empirical

If you are asked for the molecular mass, you need to use the...

• empirical formula

• molecular formula

• particles