Molar Mass & Gram-Mole Conversions

Front

What is molar mass?

Back

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all atoms in a molecule.

Front

How do you calculate the molar mass of a compound?

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To calculate the molar mass, identify the number of each type of atom in the compound, multiply by the atomic mass of each element, and sum the total.

Front

What is the molar mass of MgF2?

Back

62.31 g/mol.

Front

How do you convert moles to grams?

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To convert moles to grams, multiply the number of moles by the molar mass of the substance.

Front

What is the mass of 0.244 mol of Ca(OH)2?

Back

18.1 g Ca(OH)2.

Front

How do you convert grams to moles?

Back

To convert grams to moles, divide the mass of the substance by its molar mass.

Front

Convert 11.3 g of Cu(NO3)2 to moles.

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0.0602 mol Cu(NO3)2.

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What does the formula V(C2O4)3 represent in terms of carbon atoms?

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The formula V(C2O4)3 indicates there are 6 carbon atoms.

Front

What is the molar mass of (NH4)3P?

Back

85.12 g/mol.

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What is the significance of the mole in chemistry?

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The mole is a fundamental unit in chemistry that allows chemists to count particles (atoms, molecules) by weighing them.