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How many atoms of nitrogen are represented in 2(NH4)3PO4?
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How many atoms of nitrogen are represented in 2(NH4)3PO4?

User Ilbets
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It's 6.

2(NH4)3PO4

The three outside the parenthesis means 3 NH4 groups. The coefficient of 2 means two entire formula units of 2(NH4)3PO4

That's 6 NH4 groups (2 x 3) making 6 N atoms.

How many H atoms? 4 x 3 x 2 = 24

2 P and 8 O
User ESRogs
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