Объяснение:
Mr(AlCl3) = 27 + 35,5*3 = 133,5
W(Al) = Ar(Al) *n / Mr(AlCl3) *100% = 27*1 / 133,5 *100% =20%
W(Cl) = Ar(Cl) *n / Mr(AlCl3) *100% = 35,5*3 / 133,5 *100% =80%
Объяснение:
Mr(AlCl3) = 27 + 35,5*3 = 133,5
W(Al) = Ar(Al) *n / Mr(AlCl3) *100% = 27*1 / 133,5 *100% =20%
W(Cl) = Ar(Cl) *n / Mr(AlCl3) *100% = 35,5*3 / 133,5 *100% =80%