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Moles and Mole Conversions

Moles and Mole Conversions

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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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, etc.). This number is known as Avogadro's number.

2.

FLASHCARD QUESTION

Front

How many atoms are in one mole of any substance?

Back

One mole of any substance contains 6.02 x 10^23 atoms or molecules.

3.

FLASHCARD QUESTION

Front

What is Avogadro's number?

Back

Avogadro's number is 6.02 x 10^23, which is the number of particles in one mole of a substance.

4.

FLASHCARD QUESTION

Front

How do you calculate the number of moles from the number of atoms?

Back

To calculate the number of moles from the number of atoms, divide the number of atoms by Avogadro's number (6.02 x 10^23).

5.

FLASHCARD QUESTION

Front

How many moles are in 3.01 x 10^22 atoms of magnesium?

Back

0.05 moles.

6.

FLASHCARD QUESTION

Front

How do you convert moles to grams?

Back

To convert moles to grams, multiply the number of moles by the molar mass of the substance (in grams per mole).

7.

FLASHCARD QUESTION

Front

How many grams are in 1.2 moles of neon (Ne)?

Back

24 grams.

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