Molar Volume

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Avogadro’s Principle:

Avogadro’s Principle States that: “ At equal temperatures and pressures, equal volumes of gases will have the same number of molecules” Why? Because T is constant, the number of molecules must be equal, so that the two P are equal

Molar Volume:

Molar Volume If 2 different gases are at STP, 1 mol of each gas will occupy the same volume Molar Volume of a gas = 22.4 L/mol at STP =22.4 L O 2 =22.4 L H 2 Molar Mass - sum of the atomic masses of all atoms in a compound

What volume (at STP) would 4.10 mol of carbon dioxide occupy?:

What volume (at STP) would 4.10 mol of carbon dioxide occupy?

How many moles of He are present if He occupies 45.0 L at STP?:

How many moles of He are present if He occupies 45.0 L at STP?