Объяснение:
Mr(C6H5OH) = 12*6 + 1*6 + 16 =94
W(C) = Ar(C) *n / Mr(C6H5OH) *100% = 12*6 / 94 *100% =77%
W(O) = Ar(O) *n / Mr(C6H5OH) *100% = 16*1 / 94 *100% = 17%
W(H) = Ar(H) *n / Mr(C6H5OH) *100% = 1*6 / 94 *100% =6%
Объяснение:
Mr(C6H5OH) = 12*6 + 1*6 + 16 =94
W(C) = Ar(C) *n / Mr(C6H5OH) *100% = 12*6 / 94 *100% =77%
W(O) = Ar(O) *n / Mr(C6H5OH) *100% = 16*1 / 94 *100% = 17%
W(H) = Ar(H) *n / Mr(C6H5OH) *100% = 1*6 / 94 *100% =6%