Ответ:
a)
P2O3 = 48/110 = 43,6%
б)
K3PO4 = 64/212 = 30,2%
в)
CaHPO4 = 64/136 = 47,1%
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Ответ:
a)
P2O3 = 48/110 = 43,6%
б)
K3PO4 = 64/212 = 30,2%
в)
CaHPO4 = 64/136 = 47,1%