In a reaction 5.5 g of sodium carbonate reacted with 6 g of ethanoic acid. The products were 2.4 g of carbon dioxide, 0.9 g of water and 8.2 g of sodium ethanoate. Show that these observations are in agreement with the law of conservation of mass. Hint (sodium carbonate + ethanoic acid → sodium ethanoate +carbon dioxide + water)
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Answer:
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Answer:
Law of conservation of mass (Given by Antonie Lavoiser) states that "In a chemical reaction total mass of reactant is equal to the total mass of product."
In your question it is given that -
Reactants- Products
Sodium Carbonate =5.5g Carbon Dioxide = 2.4g
Ethonoic acid =6g Water=0.9g
Sodium Ethanoate=8.2g
From law of conservation of mass we get,
Total mass of reactants= Total mass of product
Sodium Carbonate+Ethonoic acid=CarbonDioxide+Water+SodiumEthanoate
5.5 g + 6g = 2.4g + 0.9g + 8.2g
11.5g = 11.5g
Since Total mass of reactant is equal to the total mass of product.
Hence It follows law of conservation of mass.