Объяснение:
Mr(Al(OH)3 = 27 + 16*3 + 1*3 =78
W(Al) = Ar(Al) *n / Mr(Al(OH)3 *100% = 27*1 / 78 *100% = 35%
W(O) = Ar(O) *n / Mr(Al(OH)3) *100% = 16*3 / 78 *100% =62%
W(H) = Ar(H) *n / Mr(Al(OH)3) *100% = 1*3 / 78 *100% =3%
Объяснение:
Mr(Al(OH)3 = 27 + 16*3 + 1*3 =78
W(Al) = Ar(Al) *n / Mr(Al(OH)3 *100% = 27*1 / 78 *100% = 35%
W(O) = Ar(O) *n / Mr(Al(OH)3) *100% = 16*3 / 78 *100% =62%
W(H) = Ar(H) *n / Mr(Al(OH)3) *100% = 1*3 / 78 *100% =3%