Объяснение:
Mr(Ca(HCO3)2) = 40+1*2 + 12*2 + 16*6 =162
W(Ca) = Ar(Ca) *n / Mr(Ca(HCO3)2) *100% = 40*1 / 162 *100% =25%
W(H) = Ar(H) *n / Mr(Ca(HCO3)2) *100% = 1*2 / 162 *100% = 1%
W(C) = Ar(C) *n / Mr(Ca(HCO3)2) *100% = 12*2 / 162 *100% =15%
W(O) = Ar(O) *n / Mr(Ca(HCO3)2) *100% = 16*6 / 162 *100% =59%
Объяснение:
Mr(Ca(HCO3)2) = 40+1*2 + 12*2 + 16*6 =162
W(Ca) = Ar(Ca) *n / Mr(Ca(HCO3)2) *100% = 40*1 / 162 *100% =25%
W(H) = Ar(H) *n / Mr(Ca(HCO3)2) *100% = 1*2 / 162 *100% = 1%
W(C) = Ar(C) *n / Mr(Ca(HCO3)2) *100% = 12*2 / 162 *100% =15%
W(O) = Ar(O) *n / Mr(Ca(HCO3)2) *100% = 16*6 / 162 *100% =59%