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Moles 1

Authored by Rigoberto Alanis

Chemistry

10th - 11th Grade

Used 15+ times

Moles  1
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11 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

How many moles are in 4.5x1024 particles?

0.747 particles
0.747 mol
2.71x1047 mol
2.71x1047 particles

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

What is the molar mass of Mg3N2?

191.6 g/mol
76.64 g/mol
38.32 g/mol
100.95 g/mol

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

What is the mass of one mole of Al2(SO4)3?

75.04 g
342.14 g 
75.04 mol
342.14 mol

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

How many moles of carbon atoms are there in 5g of carbon?

60 mol
17 mol
0.42 mol
7 mol

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

How many molecules are there in 5.9 moles of NaCl?

3.5x1024molecules
9.79x10-24molecules
1.02x1023molecules

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

How many molecules are present in 69.0 moles of SrO?

4.16x1025molecules
8.72x1021molecules
7,149.78 molecules
6,893.32 molecules

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

How many moles are there in 12.7g of CaF2?

0.20 mol
1,000.76 mol
6.14 mol
0.16 mol

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