Объяснение:
Mr(SO2) = 32 + 16*2=64
W(S) = Ar(S) *n / Mr(SO2) *100% = 32*1 / 64 *100% =50%
W(O) = Ar(O) *n / Mr(SO2) *100% = 16*2 / 64 *100% = 50%
Объяснение:
Mr(SO2) = 32 + 16*2=64
W(S) = Ar(S) *n / Mr(SO2) *100% = 32*1 / 64 *100% =50%
W(O) = Ar(O) *n / Mr(SO2) *100% = 16*2 / 64 *100% = 50%