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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.

Respuesta :

26jthompson25

Answer:

Even though two grams seemed to disappear or vanish, the law of conversation of mass still holding true. Mercuric oxide, when heated, forms a gas of mercury and oxygen. During the investigation, some gas could have escaped or evaporated.

Explanation:

RevyBreeze

Answer/Explanation:

Yes.The law of conservation of mass holds true, because the mass missing is in gas form. The fact that matter can change, doesn't mean they violate this law of conservation.

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