Mole/Molar Mass/Conversions

Mole/Molar Mass/Conversions

Assessment

Flashcard

Chemistry

10th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a mole?

Back

A mole is a unit of measurement in chemistry that represents 6.02 x 10^23 particles (atoms, molecules, ions, etc.).

2.

FLASHCARD QUESTION

Front

How do you calculate the number of molecules in a given number of moles?

Back

Number of molecules = moles × Avogadro's number (6.02 x 10^23).

3.

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).

4.

FLASHCARD QUESTION

Front

How do you convert moles to grams?

Back

Grams = moles × molar mass.

5.

FLASHCARD QUESTION

Front

What is the molar mass of NaCl?

Back

The molar mass of NaCl (sodium chloride) is approximately 58.44 g/mol.

6.

FLASHCARD QUESTION

Front

How many moles are in 1.204 x 10^24 molecules of CO?

Back

0.200 moles (calculated using the formula: moles = molecules / Avogadro's number).

7.

FLASHCARD QUESTION

Front

What is the molar mass of H2O?

Back

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

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