Предмет: Химия, автор: cgfcgfvhgfex

1. Закончите уравнения, расставьте коэффициенты. Все уравнения запишите ввиде полного молекулярного, полного ионного, сокращенного ионного уравнения:
K2CO3 + MgCL2 ---
CaCO3 + H2SO4 ----
2.По сокращенному ионному уравнению, запишите полное молекулярное и полное ионное уравнение реакции:
CO3 2- + Н+ ----

Ответы

Автор ответа: svetka1574
0


1) K2CO3 + MgCl2 = 2KCl + MgCO3

2K(+) + CO3(-2) + Mg(+2) + 2Cl(-) = 2K(+) + 2Cl(-) + MgCO3

Mg(+2) + CO3(-2)= MgCO3

CaCO3 + H2SO4 = CaSO4 + CO2 + H2O

CaCO3 + 2H(+) +SO4(-2) = CaSO4 +CO2 +H2O

2) Na2CO3 + 2HCl = 2NaCl + CO2 + H2O

 2Na(+) + CO3(-2) + 2H(+) + 2Cl(-) = 2Na(+) + 2Cl(-) + CO2 +H2O

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