1)cao+h2o 2)cuso4+zn 3)mg+hcl 4)na2co3+hcl 5)cuso4+naoh - вопрос №20174991224342354632742 от olesjaozs5is 27.01.2020 05:36

Question

Химия: 1)cao+h2o 2)cuso4+zn 3)mg+hcl 4)na2co3+hcl 5)cuso4+naoh 6)pb(no3)2+ki 7)(nh4)2cr2o7 = cr2o3+na2+h2o

olesjaozs5is · Answer

3) Mg+2HCl=MgCl2+H24)Na2CO3+2HCl=2NaCl+ CO2+H2O5)CuSO4+2NaOH=Na2SO4+Cu(OH)26)Pb(NO3)2+2KI=2KNO3 +PbI2...

1)cao+h2o 2)cuso4+zn 3)mg+hcl 4)na2co3+hcl 5)cuso4+naoh 6)pb(no3)2+ki 7)(nh4)2cr2o7 => cr2o3+na2+h2o