Stoichiometry moles to mass

Stoichiometry moles to mass

Assessment

Flashcard

Science

10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a mole?

Back

A counting term describing a large number of things.

2.

FLASHCARD QUESTION

Front

What is the molar mass for water (H2O)?

Back

18.02 g/mol.

3.

FLASHCARD QUESTION

Front

What is the molar mass for oxygen gas (O2)?

Back

32 g/mol.

4.

FLASHCARD QUESTION

Front

What is the conversion factor between mole and grams?

Back

1 gram of the substance = molar mass of the substance.

5.

FLASHCARD QUESTION

Front

When balancing a reaction, what can we change?

Back

We can change the coefficients.

6.

FLASHCARD QUESTION

Front

What is the definition of molar mass?

Back

The mass of one mole of a substance, typically expressed in grams per mole (g/mol).

7.

FLASHCARD QUESTION

Front

How do you calculate the number of moles from mass?

Back

Number of moles = mass (g) / molar mass (g/mol).

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