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$2.76 \mathrm{~g}$ of silver carbonate on being strongly heated yield a residue weighing
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$2.16 \mathrm{~g}$
$2 \mathrm{Ag}_2 \mathrm{CO}_3 \xrightarrow{\Delta} 4 \mathrm{Ag}+2 \mathrm{CO}_2+\mathrm{O}_2$
$2 \times 276 \mathrm{gm} \quad 4 \times 108 \mathrm{gm}$
$\begin{aligned} & \text { Q } 2 \times 276 \mathrm{gm} \text { of } \mathrm{Ag}_2 \mathrm{CO}_3 \text { gives } 4 \times 108 \mathrm{gm} \\ & \therefore \quad 1 \mathrm{gm} \text { of } \mathrm{Ag}_2 \mathrm{CO}_3 \text { gives }=\frac{4 \times 108}{2 \times 276} \\ & \therefore 2.76 \mathrm{gm} \text { of } \mathrm{Ag}_2 \mathrm{CO}_3 \text { gives } \\ & \frac{4 \times 108 \times 2.76}{2 \times 276}=2.16 \mathrm{gm}\end{aligned}$
$2 \times 276 \mathrm{gm} \quad 4 \times 108 \mathrm{gm}$
$\begin{aligned} & \text { Q } 2 \times 276 \mathrm{gm} \text { of } \mathrm{Ag}_2 \mathrm{CO}_3 \text { gives } 4 \times 108 \mathrm{gm} \\ & \therefore \quad 1 \mathrm{gm} \text { of } \mathrm{Ag}_2 \mathrm{CO}_3 \text { gives }=\frac{4 \times 108}{2 \times 276} \\ & \therefore 2.76 \mathrm{gm} \text { of } \mathrm{Ag}_2 \mathrm{CO}_3 \text { gives } \\ & \frac{4 \times 108 \times 2.76}{2 \times 276}=2.16 \mathrm{gm}\end{aligned}$
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