Solubility of Na2CO3, Ag2CO3, K2SO4, Mg(OH)2, ZnS in Water

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Homework Statement



Indicate the solubility of the following ionic compounds in water at room temperature:
Na2CO3 — insoluble
Ag2CO3 — insoluble
K2SO4 — soluble
Mg(OH)2 — insoluble
ZnS — insoluble

Can you please check my answers?
 
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4/5 OK.

Check carbonates.
 


sodium carbonate is soluble.
 


5/5 ok.
 

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