mole concept

mole concept

8th - 9th Grade

7 Qs

quiz-placeholder

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mole concept

mole concept

Assessment

Quiz

Chemistry

8th - 9th Grade

Hard

Created by

Leona Yu

Used 6+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many moles are in 3.01 x 1022 atoms of magnesium?

0.0500 moles
1.81 x 1046 moles
5.00 x 1021 moles
5.00 moles

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A mole of Neon contains
6.02 x 1023 _____.

atoms
formula units
ions
molecules

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many molecules are in 2.00 moles of H2O?

124x1024 molecules of H2O

1.20x1023 molecules of H2O

12.04 x1023 molecules H2O

124

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What name is given to the number of atoms in a mole of an element?

Planck's constant

Avogadro's constant

Newtonian constant

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which would have more atoms?

1 mole of Li
1 mole of Au
1 mole of Si
None, all are equal

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the molar mass of carbon?

6.0 g/mol
12.0 g/mol
22.4 g/mol
6.02 x 1023 g/mol

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the molar mass of NaCl?

58 g/mol

28 g/mol

12 g/mol

6.02 x 1023

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