1.

0.3 g of copper is allowed to react with HNO3 nd forms CuNO3, which further reacts witb oxygen and forms 0.4g of CuO. fond the equivalent mass of Cu​

Answer»

Answer:

Percent COMPOSITION tells you which TYPES of atoms (elements) are present in ... for a reaction of iron and oxygen which PRODUCES an iron oxide compound. ... What was the mass of oxygen GAS that escaped?



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