What is the number of each kind of atom in $2 P_{2} O_{3}$ $2P_2O_3$ ?

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Answer 1 · 2016-06-05T16:39:38

In one molecule of $P_{2} O_{3}$ $P_2O_3$ there are 2 atoms of P and 3 atoms of O.

In two molecules of $P_{2} O_{3}$ $P_2O_3$ there are 4 atoms of P and 6 atoms of O.

The $P_{2} O_{3}$ $P_2O_3$ Molecule has
2 atoms of Phosphous
and
3 atoms of Oxygen

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The coefficient 2 tells us we have
2 molecules of $P_{2} O_{3}$ $P_2O_3$ which means we have a total of

4 atoms of Phosphorus
and
6 atoms of Oxygen

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What is the number of each kind of atom in 2P2O32P_2O_3?