CALCULATIONS USING THE MOLE (COMPOUNDS)

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Presentation transcript:

CALCULATIONS USING THE MOLE (COMPOUNDS) UNIT #6 STOICHIOMETRY

Introduction 1.00 moles of CH4 (6.022x1023 molecules of CH4) has a mass of?

Example Problems 45.5 grams of ammonia is how many moles of ammonia? 1.21 x 1024 formula units of sodium chloride has a mass of? 36.4 grams of phosphorus pentachloride is how many molecules?

More Complex Problems 152 grams of carbon dioxide contains how many atoms of oxygen?

More Complex Problems A sample of calcium phosphate has 3.54x1024 atoms of oxygen. What is the mass of the sample?