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% =61%
W(H) = Ar(H) *n / Mr(Al(OH)3) *100% = 1*3 / 78 *100% =4%
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% =61%
W(H) = Ar(H) *n / Mr(Al(OH)3) *100% = 1*3 / 78 *100% =4%