Question

Q) 2g of CaCO3 on strong heating gave 1.12g of CaO and 448ml of CO2. Show that the result illustrate the law of conservation of mass?
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Answer 1

Answer:

is it related to 9th standard

Answer 2

Explanation:

22400 ml of CO2 weighs 44g.

.: Mass of 448ml CO2= 448 ml x 44g / 22400ml=0.88g

Weight of CaO+CO2= Weight of CaCO3 => 1.12+0.88 = 2.00g

Hence from this we can understand that it follows Law of Conservation of Mass.