Na2CO3(aq)+2AgNO3(aq) -->Ag2CO3(s)+2NaNO3(aq);
1.n(Na2CO3)=3/106=0.0283; n(AgNO3)=5/(2*170)=0.0147.
Silver nitrate is the limiting reactant,
Sodium carbonate is the excess reactant
2.m(Ag2CO3)=0.0147*Mr(Ag2CO3)=0.0147*276=4 g
3.m(NaNO3)=0.0147*2*85=2.5 g
4.m(Na2CO3)=(0.0283-0.0147)*106=1.44 g
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