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Moles Test Review

Chemistry

9th - 12th Grade

NGSS covered

Used 61+ times

Moles Test Review
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32 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which conversion factor would you use to calculate correctly the mass of 2 moles of the element titanium?

1 g Ti / 47.84 mol Ti
1 mol Ti / 47.84 g Ti
47.84 mol / 1 g Ti
47.87 g Ti / 1 mol Ti

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which compound has the smallest molar mass?

CO
CO2
H2O
H2O2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which has a greater mass: 1 mole of scandium or 2 moles of boron?

scandium
boron
neither
more information is needed.

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

40 g
80 g
16 g
32 g

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the mass in grams of 6.25 mol of copper (II) nitrate?

126 g
785 g
625 g
1172 g

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many molecules are in 32.4 grams of phosphorous pentoxide?

1.76 x 1023 molecules
0.29 moles
1.76 x 1022 molecules
0.29 molecules

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many atoms of carbon  are in 6.00g of carbon?

1.20x1024atoms C
6.02x1023atoms C
3.01x1023atoms C
1.50x1023atoms C

Tags

NGSS.HS-PS1-7

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