Molecules to Mass

Molecules to Mass

7th Grade

25 Qs

quiz-placeholder

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Molecules to Mass

Molecules to Mass

Assessment

Quiz

Science

7th Grade

Hard

NGSS
HS-PS1-7, MS-PS1-1, HS-LS1-6

Standards-aligned

Created by

Lisa Thompson

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Molecular mass is defined as the:

Mass of one molecule of any substance compared with the mass of one atom of C – 12

Mass of one atom compared with the mass of one atom of hydrogen

Mass of one atom compared with the mass of one molecule

none of these

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molecular mass of water (H2O)?

18 g/mol

16 g/mol

14 g/mol

20 g/mol

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is Avogadro's number?

6.022 x 10^23

3.14

9.81

1.6 x 10^-19

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mass of one mole of carbon atoms?

12 g

6 g

24 g

18 g

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents the formula for calculating molar mass?

Molar mass = mass/number of moles

Molar mass = number of moles/mass

Molar mass = volume/number of moles

Molar mass = number of moles/volume

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the unit of molar mass?

g/mol

kg

mol

L

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many molecules are there in one mole of a substance?

6.022 x 10^23

1 x 10^23

3.14 x 10^23

9.81 x 10^23

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