Review - Moles (APA)

Review - Moles (APA)

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the definition of a mole in chemistry?

Back

A mole is a unit of measurement used to express amounts of a chemical substance, defined as exactly 6.022 x 10^23 particles (atoms, molecules, ions, etc.).

2.

FLASHCARD QUESTION

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).

3.

FLASHCARD QUESTION

Front

How do you calculate the molar mass of a compound?

Back

To calculate the molar mass of a compound, sum the molar masses of all the atoms in its chemical formula.

4.

FLASHCARD QUESTION

Front

What is the molar mass of Iron (Fe)?

Back

The molar mass of Iron (Fe) is 55.93 g/mol.

5.

FLASHCARD QUESTION

Front

What is the molar mass of Nitrogen gas (N2)?

Back

The molar mass of Nitrogen gas (N2) is 28.02 g/mol.

6.

FLASHCARD QUESTION

Front

How many molecules are in one mole of a substance?

Back

One mole of a substance contains 6.022 x 10^23 molecules.

7.

FLASHCARD QUESTION

Front

How do you convert grams to moles?

Back

To convert grams to moles, divide the mass of the substance (in grams) by its molar mass (in g/mol).

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