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Mole, Molar Mass & Conversions Review

Authored by Karina Sebastian

Chemistry

11th - 12th Grade

NGSS covered

Used 4+ times

Mole, Molar Mass & Conversions Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mole used for?

To measure the mass of a substance

To measure the number of atoms or molecules in a substance

To measure the amount of energy in a substance

To measure the volume of a substance

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is Avogadro's Number? 

6.02 x 1023
- 6.02 1023
6.02 x 1022
6,020,000,000,000

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many molecules are in 1 mole of NaCl?

6.02 x 1023

58

11

17

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The molar mass is found by

adding the masses of all the atoms in the molecule.

dividing the total mass of all the atoms in the molecule by 6.02 x 1023.

multiplying the total mass of all the atoms in the molecule by 6.02 x 1023.

dividing the total mass of all the atoms in the molecule by the total number of atoms.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the units for molar mass?

grams or g

amu

grams/mole or g/mol

moles or mol

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

One mole of potassium atoms has a mass of

30.974 g

39.098 g

209 g

6.022 x 1023 g

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molar mass of H2O?

6.02 x 1023 grams

17.007 grams

18.015 grams

15.999 grams

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