Объяснение:
Mr(Al(NO3)3) = 27 + 14*3 + 16*9 =213
W(Al) = Ar(Al) *n / Mr(Al(NO3)3 *100% = 27*1 / 213 *100% =13%
W(N) = Ar(N) *n / Mr(Al(NO3)3 *100% = 14*3 / 213 *100% =20%
W(O) = Ar(O) *n / Mr(Al(NO3)3 *100% = 16*9 / 213 *100% =67%
Mr(Fe(OH)3) = 56 + 16*3 + 1*3 =107
W(Fe) = Ar(Fe) *n / Mr(Fe(OH)3 *100% = 56*1 / 107 *100% =52%
W(O) = Ar(O) *n / Mr(Fe(OH)3 *100% = 16*3 / 107 *100% =45%
W(H) = Ar(H) *n / Mr(Fe(OH)3 *100% = 1*3 / 107 *100% =3%
Объяснение:
Mr(Al(NO3)3) = 27 + 14*3 + 16*9 =213
W(Al) = Ar(Al) *n / Mr(Al(NO3)3 *100% = 27*1 / 213 *100% =13%
W(N) = Ar(N) *n / Mr(Al(NO3)3 *100% = 14*3 / 213 *100% =20%
W(O) = Ar(O) *n / Mr(Al(NO3)3 *100% = 16*9 / 213 *100% =67%
Mr(Fe(OH)3) = 56 + 16*3 + 1*3 =107
W(Fe) = Ar(Fe) *n / Mr(Fe(OH)3 *100% = 56*1 / 107 *100% =52%
W(O) = Ar(O) *n / Mr(Fe(OH)3 *100% = 16*3 / 107 *100% =45%
W(H) = Ar(H) *n / Mr(Fe(OH)3 *100% = 1*3 / 107 *100% =3%