Question

In a reaction 5.3 g of sodium carbonate reacted with 6 g of ethanoic acid. The products were 2.2 g of carbon dioxide, 0.9 g water and 8.2 g of sodium ethanoate. Show that these observations are in agreement with the law of conservation of mass carbonate.
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Answer 1

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Masses of the reactant

mass of sodium carbonate= 5.3g

mass of ethanoic acid = 6g

So total mass of the reactant is = (5.3 + 6)g= 11.3g

Masses of the product

mass of carbon dioxide= 2.2g

mass of water = 0.9g

mass of sodium ethanoate= 8.2g

so totall mass of the product = (2.2+0.9+8.2)g = 11.3g

As the masses of the reactant is equal to product. so it follows the law of conservation of mass.

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