Chem Exam 1 Moles, Molar mass, conversions

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Last updated 11:53 PM on 10/1/26
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12 Terms

1
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What is a mole?

A counting unit equal to 6.022 × 10²³ particles.

2
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What is Avogadro's number?

6.022 × 10²³ particles/mol.

3
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What is molar mass?

The mass of one mole of a substance in g/mol.

4
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How do you find molar mass?

Add the atomic masses of all atoms in the formula.

5
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What unit is molar mass measured in?

g/mol.

6
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How do you convert grams to moles?

Divide grams by molar mass.

7
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How do you convert moles to grams?

Multiply moles by molar mass.

8
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How do you convert moles to particles?

Multiply by 6.022 × 10²³.

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How do you convert particles to moles?

Divide by 6.022 × 10²³.

10
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What does 1 mole of any substance contain?

6.022 × 10²³ particles.

11
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What is the molar mass of NaCl?

Approximately 58.5 g/mol.

12
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What is the basic mole conversion path?

Grams ↔ moles ↔ particles.