Gram-Molar conversions

Gram-Molar conversions

Assessment

Flashcard

Chemistry, Science

10th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a mole in chemistry?

Back

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.

2.

FLASHCARD QUESTION

Front

How do you calculate the number of moles from grams?

Back

To calculate the number of moles from grams, use the formula: Moles = Mass (g) / Molar Mass (g/mol).

3.

FLASHCARD QUESTION

Front

What is the molar mass of carbon dioxide (CO2)?

Back

The molar mass of carbon dioxide (CO2) is approximately 44.01 g/mol.

4.

FLASHCARD QUESTION

Front

How many moles are in 100 g of carbon dioxide (CO2)?

Back

2.27 mol (calculated using the formula: Moles = 100 g / 44.01 g/mol).

5.

FLASHCARD QUESTION

Front

What is the molar mass of sodium (Na)?

Back

The molar mass of sodium (Na) is approximately 22.99 g/mol.

6.

FLASHCARD QUESTION

Front

How many moles are in 1459 grams of sodium (Na)?

Back

63.46 moles (calculated using the formula: Moles = 1459 g / 22.99 g/mol).

7.

FLASHCARD QUESTION

Front

What is the molar mass of calcium oxide (CaO)?

Back

The molar mass of calcium oxide (CaO) is approximately 56.08 g/mol.

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