3.2 Calculations With Moles

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What is a Mole?

1 mole = 6.022 × 10²³

Molecular Weight, Formula Weight, and Molar Mass
CO₂	Molecular Weight = 44.01amu	Molar Mass = 44.01g/mol
NaCl	Formula Weight = 58.44amu	Molar Mass = 58.44g/mol
CALCULATIONS WITH MOLES

You have 300g of CaCO₃.

How many moles of CaCO3 do you have?

How many oxygen atoms are in the sample?

How many grams of carbon atoms are in the sample?