1.4g of calcium oxide obtained by heating limestone was found to contain 0.4g of oxygen. another sample of 3.5g of calcium oxide obtained by direct combination of calcium and oxygen was found to contain 2.5g of calcium. show that data are in accordance with the law of definite proportion

Solution

1.4 gm of CaO⟶n0.4 gm of Oxygen

1.0 gm of O2⟶3.5 gm of Ca

According to the law of definite proportions

n/m=y/x

⇒1.4/0.4=3.5.

⇒3.5=3.5

Explanation:

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