Объяснение:
Mr(Zn(OH)2 = 65 + 16*2 + 1*2 =99
W(Zn) = Ar(Zn) *n / Mr(Zn(OH)2) *100% = 65*1 / 99 *100% =66%
W(O) = Ar(O) *n / Mr(Zn(OH)2 *100% = 16*2 / 99 *100% = 32%
W(H) = Ar(H) *n / Mr(Zn(OH)2) *100% = 1*2 / 99 *100% =2%
Объяснение:
Mr(Zn(OH)2 = 65 + 16*2 + 1*2 =99
W(Zn) = Ar(Zn) *n / Mr(Zn(OH)2) *100% = 65*1 / 99 *100% =66%
W(O) = Ar(O) *n / Mr(Zn(OH)2 *100% = 16*2 / 99 *100% = 32%
W(H) = Ar(H) *n / Mr(Zn(OH)2) *100% = 1*2 / 99 *100% =2%