Question

Coppper gives two oxides. On heating 1.0g of each in hydrogen gas 0.888g and o.799 g of the metal are produced. show that the results agree with the multiple law of proportion.

Answer 1

Answer:

0.126:0.252 (or) 1:2

Explanation:

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Answer 2

Answer:

Yes,

It agrees Multiple law of Proportion.

Explanation:

Given,

Oxide(A)

⇒Weight of Copper = 0.799g

⇒Weight of Oxygen = 1 - 0.799g = 0.201g

Weight of metal per gram of oxygen = $\frac{0.799}{0.201}g$ = 3.97g

Oxide(B)

⇒Weight of Copper = 0.888g

⇒Weight of Oxygen = 1 - 0.888g = 0.112g

Weight of metal per gram of oxygen = $\frac{0.888}{0.122} g$ = 7.93h

The Ratio of weights of metals reacting with same weight of exygen with same weight of oxygen = $\frac{3.97}{7.93}g$=1:2

The Oxides are CuO and $Cu_{2}O.$