Объяснение:
Mr(C5H23O14) = 12*5 + 1*23 + 16*14 = 307
W(C) = Ar(C) *n / Mr(C5H23O14) *100% = 12*5 / 307 *100% = 20%
W(H) = Ar(H) *n / Mr(C5H23O14) *100% = 1*23 / 307 *100% = 7%
W(O) = Ar(O) *n / Mr(C5H23O14) *100% = 16*14 / 307 *100% = 73%
Объяснение:
Mr(C5H23O14) = 12*5 + 1*23 + 16*14 = 307
W(C) = Ar(C) *n / Mr(C5H23O14) *100% = 12*5 / 307 *100% = 20%
W(H) = Ar(H) *n / Mr(C5H23O14) *100% = 1*23 / 307 *100% = 7%
W(O) = Ar(O) *n / Mr(C5H23O14) *100% = 16*14 / 307 *100% = 73%