Question

How many moles of sulfur trioxide are formed from 5 moles of sulfur dioxide using the...

How many moles of sulfur trioxide are formed from 5 moles of sulfur dioxide using the given balanced equation?

                 2 SO2 + O2 → 2 SO3

A.

2 mol of SO3
B.

12 mol of SO3
C.

10 mol of SO3
D.

4 mol of SO3
E.

6 mol of SO3

How many iron atoms are in 0.32 mol of Fe2O3? (I have seen people putting A or D so I'm not sure)

A.

3.9 × 1023 iron atoms
B.

3.9 iron atoms
C.

6.02 × 1023 iron atoms
D.

1.9 × 1023 iron atoms
E.

1.1 × 10–24 iron atom
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