çomplete the following reactions. 1:Na2CO3(s) +2HCL(aq)=>Na2SO4(aq)+CO2 (g)+______
2:CaCO3 (s)+2HNO3 (aq)=>_____+_____+_____
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Na2CO3(s) + 2HCL(aq)=>2NaCl + H20 + CO2.
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1 ---- cl2
2-----...........
2-----...........
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