Question

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

Sodium carbonate ➞ ethanoic acid ➞ sodium ethanoate ➞ carbon dioscide ➞ water



But Sis will it be okay ?

I mean should I do that ?? ​

Answer 1

Answer:

Let us start from the reactant side

In the reactant side we have sodium carbonate and ethanoic acid

Mass of sodium carbonate=5.3g (given)

Mass of ethanoic acid=6g(given)

Now total mass before reaction that is mass of reactants = (5.3g + 6g) = 11.3g

Now let us check product side

Mass of carbon dioxide = 2.2g (given)

Mass of water = 0.9g (given)

Mass of sodium ethanoate = 8.2g (given)

Now total mass after reaction that is mass of products = (8.2g + 2.2g + 0.9g) = 11.3g

Explanation:

Total mass before reaction=total mass after reaction

Therefore the given observation is in agreement with the law of conservation of mass.

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