Ответ:
Объяснение:
M(H₃PO₄) = 3 + 31 + 64 = 98 г/моль
W(H) = 3/98 ×100% = 3%
W(P) = 31/98×100% = 32%
W(O)= 64/98×100% = 65%
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Ответ:
Объяснение:
M(H₃PO₄) = 3 + 31 + 64 = 98 г/моль
W(H) = 3/98 ×100% = 3%
W(P) = 31/98×100% = 32%
W(O)= 64/98×100% = 65%