Molar 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 calculate the mass of a substance from moles?

Back

To calculate the mass of a substance from moles, use the formula: Mass (g) = Moles × Molar Mass (g/mol).

Front

What is the molar mass of water (H₂O)?

Back

The molar mass of water (H₂O) is approximately 18 g/mol.

Front

How many grams are in 1 mole of carbon (C)?

Back

1 mole of carbon (C) has a mass of approximately 12 g.

Front

What is the molar mass of magnesium (Mg)?

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The molar mass of magnesium (Mg) is approximately 24 g/mol.

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How do you convert grams to moles?

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To convert grams to moles, use the formula: Moles = Mass (g) / Molar Mass (g/mol).

Front

What is the mass of 4.0 moles of water (H₂O)?

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The mass of 4.0 moles of water (H₂O) is 72 g.

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How many moles are in 88.1 grams of magnesium?

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There are approximately 3.67 moles in 88.1 grams of magnesium.

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What is the mass of one mole of gold(III) chloride (AuCl₃)?

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The mass of one mole of gold(III) chloride (AuCl₃) is 303 g.

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How many moles are in 22 grams of argon (Ar)?

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There are approximately 0.55 moles in 22 grams of argon (Ar).