Extra Practice- Chapter 10

Extra Practice- Chapter 10

9th - 12th Grade

22 Qs

quiz-placeholder

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Extra Practice- Chapter 10

Extra Practice- Chapter 10

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

Created by

Emily Berry

Used 3+ times

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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 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 CO2?

12
16
32
44

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many particles are in a mole?

602
602 million
602 moles
6.02 x 1023

4.

MULTIPLE CHOICE QUESTION

2 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

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many particles would be in 8.4 moles of Octane (C8H18)?

5.77 x 1023
5.04 x 1024
5.77 x 1026
5.04 x 1023

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Determine the amount of moles in 4.50 x 1023 atoms of fluorine.

9.03 x 1046 moles
0.757 moles
4.73 moles
0.0131 moles

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements regarding the mole is INCORRECT?

A mole is a unit of quantity equal to 6.02 x 1023 particles.

The number of particles in a mole is known as Avogadro’s number.

A mole of particles of an element is numerically equal to the atomic mass of the element.

none of the above

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