Question

If 6.3 g of sodium bi carbonate is added to 15 g of acetic acid solution,the residue is found to weigh 18 g. What is the mass of carbon dioxide released in the reaction?

Answer 1

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Answer 2

Given - Mass of reactants

Find - Mass of carbon dioxide

Solution - The mass of carbon dioxide released in the reaction is 3.3 grams

As per the law of conservation of mass, the mass of reactants is equal to the mass of products.

In the given reactions, the mass of reactants is calculated as follows -

Mass of reactants = 6.3 + 15

Mass of reactants = 21.3

Now, calculate the mass of carbon dioxide.

Mass of reactants = Mass of products

Mass of products = Mass of residue + Mass of carbon dioxide

21.3 = 18 + Mass of carbon dioxide

Mass of carbon dioxide = 21.3 - 18

Mass of carbon dioxide = 3.3 grams

So, the mass of carbon dioxide released is 3.3 grams