Mole-Mass Conversions

Front

What is a mole in chemistry?

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A mole is a unit of measurement used to express the amount of a substance. It is defined as the amount of substance that contains as many entities (atoms, molecules, etc.) as there are in 12 grams of carbon-12.

Front

How do you convert moles to grams?

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To convert moles to grams, use the formula: grams = moles × molar mass. The molar mass is the mass of one mole of a substance, usually expressed in grams per mole (g/mol).

Front

What is the molar mass of AuCl3?

Back

The molar mass of AuCl3 (Gold(III) chloride) is approximately 303.33 g/mol.

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How many grams are in 2.0 moles of AuCl3?

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To find the grams in 2.0 moles of AuCl3, multiply: 2.0 moles × 303.33 g/mol = 606.66 g, rounded to 607 g.

Front

How do you convert grams to moles?

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To convert grams to moles, use the formula: moles = grams / molar mass.

Front

What is the molar mass of carbon (C)?

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The molar mass of carbon is approximately 12.01 g/mol.

Front

How many moles are in 6.0 g of carbon?

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To find moles: 6.0 g / 12.01 g/mol = 0.5 moles.

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What is the molar mass of NaF?

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The molar mass of NaF (Sodium fluoride) is approximately 41.99 g/mol.

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How many grams are in 4.5 moles of NaF?

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To find grams: 4.5 moles × 41.99 g/mol = 189 g.

Front

What is the molar mass of NaOH?

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The molar mass of NaOH (Sodium hydroxide) is approximately 40.00 g/mol.