Question

Prove the law of conservation of mass
when 20.8g of BaCl2, reacts with 23.3 g of
Na2SO4 to form
11.7g of NaCl
and 32.4g of
BaSO4.
​

Answer 1

law of conservation of mass states that mass can be neither created nor destroyed simply mass of reactants equal to mass of products.

therefore

20.8g of Bacl2+23.3g of Na2SO4=11.7gof Nacl+32.4g of BaSO4

here mass of reactants equals to mass of products

20.8+23.3=11.7+32.4

44.1=44.1

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