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Molar Mass

Authored by Ay Santn

Chemistry

9th - 12th Grade

NGSS covered

Used 13+ times

Molar Mass
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16 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The molar mass of an element is equal to its...

Atomic mass
Atomic number
Oxidation number
Valence electrons

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the molar mass of fluorine gas?
(beware!)

18.998 g/mol
38 g/mol
9 g/mol
18 g/mol

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the molar mass of table salt (NaCl)?

116.886 g/mol
35.453 g/mol
22.990 g/mol
58.443 g/mol

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the mass of one mole of aluminum?

27 g
13 g
54 g
14 g

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How many particles are in a mole?

602
602 million
602 moles
6.02 x 1023

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculate the molar mass of Ba(C2H3O2)2

255.3 g/mol

237.3 g/mol

228.3 g/mol

196.3 g/mol

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The mole concept is important in chemistry because

it allows us to distinguish between elements and compounds.
atoms and molecules are very small and the mole concept allows us to count atoms and molecules by weighing macroscopic amounts of material.
it establishes a standard for reaction stoichiometry.
it provides a universally accepted standard for mass.

Tags

NGSS.HS-PS1-7

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