$15.9 g$ of copper sulphate and $10.6 g$ of sodium carbonate react together to give $14.2 g$ of sodium sulphate and $12.3 g$ of copper carbonate. Which law of chemical combination is obeyed? How?

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Solution

$C u S O_{4} + N a_{2} C O_{3} ⟶ N a_{2} S O_{4} + C u C O_{3} 15.9 + 10.6 14.2 + 12.3 26.5 g 26.5 g$

The total mass of reactants $=$ total mass of products,
Hence, the law of conservation of mass is obeyed here.

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15.9g of copper sulphate and 10.6g of sodium carbonate react together to give 14.2g of sodium sulphate and 12.3g of copper carbonate. Which law of chemical combination is obeyed? How?

CuSO4+Na2CO3⟶Na2SO4+CuCO315.9+10.614.2+12.326.5g26.5gThe total mass of reactants= total mass of products,Hence, the law of conservation of mass is obeyed here.

$15.9 g$ of copper sulphate and $10.6 g$ of sodium carbonate react together to give $14.2 g$ of sodium sulphate and $12.3 g$ of copper carbonate. Which law of chemical combination is obeyed? How?

$C u S O_{4} + N a_{2} C O_{3} ⟶ N a_{2} S O_{4} + C u C O_{3} 15.9 + 10.6 14.2 + 12.3 26.5 g 26.5 g$

The total mass of reactants $=$ total mass of products,
Hence, the law of conservation of mass is obeyed here.