CuCl2 (aq) and
Na2CO3(aq)
CuCl2 (aq) + Na2CO3(aq)
--->
this solution would be a double replacement, in
order to do this right you much know the charges of each
element:
Cu (+2) Cl(-1) (aq) + Na (+1) CO3(-2)
(aq)
now you proceed to replace all the cations: (make sure
to remember the charges)
CuCO3 (the charges cancel out
because they both have a charge of
2)
NaCl
so
CuCl2
(aq) + Na2CO3(aq) ---> CuCO3 + NaCl
now balance out
the equation:
CuCl2 (aq) + Na2CO3(aq) ---> CuCO3 +
2NaCl
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