Mole to Atoms Conversions

Mole to Atoms Conversions

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Avogadro's number?

Back

Avogadro's number is 6.02 x 10^23, which represents the number of particles (atoms, molecules, etc.) in one mole of a substance.

2.

FLASHCARD QUESTION

Front

How do you convert moles to molecules?

Back

To convert moles to molecules, multiply the number of moles by Avogadro's number (6.02 x 10^23).

3.

FLASHCARD QUESTION

Front

How do you convert molecules to moles?

Back

To convert molecules to moles, divide the number of molecules by Avogadro's number (6.02 x 10^23).

4.

FLASHCARD QUESTION

Front

What is the formula to calculate moles from atoms?

Back

Moles = Number of atoms / Avogadro's number (6.02 x 10^23).

5.

FLASHCARD QUESTION

Front

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

Back

2.00 moles (1.204 x 10^24 molecules ÷ 6.02 x 10^23).

6.

FLASHCARD QUESTION

Front

What is the relationship between moles and grams?

Back

The relationship is defined by the molar mass of the substance: Moles = Mass (g) / Molar Mass (g/mol).

7.

FLASHCARD QUESTION

Front

How many grams are in 2 moles of water (H2O)?

Back

36 grams (2 moles x 18 g/mol).

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