1)2HCl + CaO = CACl2 + H2O
2)M(HCl) = 200*0,12 = 24г
3)n(HCl) = m/Mr = 24/37.5 = 0,64 моль
4)(СaCl2) = 1/2* 0,64 = 0,32 моль
5) m(CaCl2) = Mr*n= 111*0,32 = 35,52г
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Answers & Comments
1)2HCl + CaO = CACl2 + H2O
2)M(HCl) = 200*0,12 = 24г
3)n(HCl) = m/Mr = 24/37.5 = 0,64 моль
4)(СaCl2) = 1/2* 0,64 = 0,32 моль
5) m(CaCl2) = Mr*n= 111*0,32 = 35,52г