Р2О5
Объяснение:
Mr(P2O5) = 31*2 + 16*5 =142
W(P) = Ar(P) *n / Mr(P2O5) *100% = 31*2 / 142 *100% =44%
Mr(HPO3) = 1 + 31 + 16*3 = 80
W(P) = Ar(P) *n / Mr(HPO3) *100% = 31*1 / 80 *100% =39%
Р2О5
Объяснение:
Mr(P2O5) = 31*2 + 16*5 =142
W(P) = Ar(P) *n / Mr(P2O5) *100% = 31*2 / 142 *100% =44%
Mr(HPO3) = 1 + 31 + 16*3 = 80
W(P) = Ar(P) *n / Mr(HPO3) *100% = 31*1 / 80 *100% =39%