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Moles review

Authored by Don Walker

Chemistry

10th Grade

NGSS covered

Used 21+ times

Moles review
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27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How many water molecules are in 5.2 moles of water?

6.02 x 1023
5.2
3.1304 x 1024
8.638 x 10-24

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many hydrogen atoms are in 8.46 moles of methane, CH4?

33.84 atoms
2.04 x 1025 atoms
2.04 x 1025 molecules
34 atoms

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mass of 2.50 mol of oxygen gas O2?

40 g
80 g
16 g
32 g

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the mass in grams of 5.90 mol C8H18?

.0512 g
19.4 g
673 g
389 g

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

How many grams are in 3.3 mol of Potassium Sulfide?

360 g
454 g
238 g
132 g

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms are in 0.750 moles of zinc?

4.52 atoms of zinc
1.25 x 10-24 atoms of zinc
4.52 x 1023 atoms of zinc

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many moles are 2.85 x 1018 atoms of iron?

4.73 x 10-6 moles
1.72 x 1042 moles

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