During an investigation a scientist heated 27 g of mercuric oxide till it decomposed to leave a dry product. The total mass of the product formed was 25 g. Does the law of conservation of mass hold true in this case? Use complete sentences to justify your answer based on numerical calculations.
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Answer:
yes, law of conservation of mass hold true here
Explanation:
27g of mercuric oxide heated and only 25g of dry material produced .
formula of mercuric oxide is= Hgo
Now,
there is left 25g dry matter and 2g of material is evaporate and it is present in vapour form.
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