Объяснение:
Mr(P2O3) = 31*2+16*3 =110
W(P) = Ar(P) *n / Mr(P2O3) *100% = 31*2 / 110 *100% = 56%
W(O) = Ar(O) *n / Mr(P2O3) *100% = 16*3 / 110 *100% = 44%
Объяснение:
Mr(P2O3) = 31*2+16*3 =110
W(P) = Ar(P) *n / Mr(P2O3) *100% = 31*2 / 110 *100% = 56%
W(O) = Ar(O) *n / Mr(P2O3) *100% = 16*3 / 110 *100% = 44%