Объяснение:
Mr(CO2) = 12 + 16*2 = 44
W(O) = Ar(O) *n / Mr(CO2) *100% = 16*2 / 44 *100% =73%
Mr(C2H5OH) = 12*2 + 1*6 + 16 =46
W(O) = Ar(O) *n / Mr(C2H5OH) *100% = 16*1 / 46 *100% = 35%
Mr(C6H12O6) = 12*6 + 1*12 + 16*6 = 180
W(O) = Ar(O) *n / Mr(C6H12O6) *100% = 16*6 / 180 *100% =53%
Объяснение:
Mr(CO2) = 12 + 16*2 = 44
W(O) = Ar(O) *n / Mr(CO2) *100% = 16*2 / 44 *100% =73%
Mr(C2H5OH) = 12*2 + 1*6 + 16 =46
W(O) = Ar(O) *n / Mr(C2H5OH) *100% = 16*1 / 46 *100% = 35%
Mr(C6H12O6) = 12*6 + 1*12 + 16*6 = 180
W(O) = Ar(O) *n / Mr(C6H12O6) *100% = 16*6 / 180 *100% =53%