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**1.**

i tried some of them but i am not sure if they are right.

What is the mass of one mole of aluminum?

I don't understand how to do this and

What is the mass of one mole of hydrogen?

1.008 g

2.040g

3.000 g

1008 g

What is the mass of one mole of carbon dioxide, CO2?

3.4007 x 102 g

2.2 x 102 g

4.4009 x 101 g

22.09 x 102 g

What is the mass of one mole of sulfuric acid?

9.8079 x 101 g

98.079 x 103 g

980.79 x 105 g

98079 x 101 g

How many moles in 3.00 g H2SO4?

.059 mol

.390 mol

4.03 mol

.030 mol

How many moles in 12.0 g CH4?

.748 mol

22.5 mol

.495 mol

.952 mol

How many moles in 3.40 x 101g CaO?

.0900 mol

.0456 mol

.945 mol

.606 mol

How many moles in 13.4 g SO2?

.45 mol

.21mol

.97 mol

.25 mol

What is the mass of 0.369 mol N2?

10.337 g

14.986 g

12.031 g

15.0987 g

What is the mass of 10.0 mol Ca(NO3)2?

1596 g

12906g

1641 g

1498 g

What is the mass of 1.94 x 10-3 mol C6H12O6?

.340 g

.456 g

.905 g

22.5 g

What is the mass of 0.0112 KCl ?

5.956 g

How many particles in 25.9 mol Fe ?

1.56 x 1014

How many particles in 0.30 mol NaCl ?

1.8 x 1034

How many moles in 4.7 x 1024 atoms Cu?

7.8

How many moles in 8.30 x 1025 molecules H2O?

156