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Chemistry
Chemistry
Problem
P and Q are two elements which forms
P
2
Q
3
\text{P}_2\text{Q}_3
P
2
Q
3
and
PQ
2
\text{PQ}_2
PQ
2
. If 0.15 mole of
P
2
Q
3
\text{P}_2\text{Q}_3
P
2
Q
3
weighs 15.9 g and 0.15 mole of
PQ
2
\text{PQ}_2
PQ
2
weighs 9.3 g, what are atomic masses of P and Q?
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