Объяснение:
Mr(CaCl2) = 40 + 35,5*2 = 111
W(Ca) = Ar(Ca) *n / Mr(CaCl2) *100% = 40*1 / 111 *100% =36%
W(Cl) = Ar(Cl) *n / Mr(CaCl2) *100% = 35,5 * 2 / 111 *100% =64%
Объяснение:
Mr(CaCl2) = 40 + 35,5*2 = 111
W(Ca) = Ar(Ca) *n / Mr(CaCl2) *100% = 40*1 / 111 *100% =36%
W(Cl) = Ar(Cl) *n / Mr(CaCl2) *100% = 35,5 * 2 / 111 *100% =64%
