1.

Calculate the mass percent composition of Ca and Cl in calcium chloride.

Answer»

Answer:

EXPLANATION:

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Compound:- Calcium Chloride.

Molecular Formula: CaCl₂

Molecular mass:- 40 + 2×35.5 = 111

(Atomic mass of Ca = 40 and Cl = 35.5)

HENCE,

In 111g of Calcium chloride, there is 40g of Calcium and 71G of Chlorine.

PERCENTAGE Composition of Calcium:

Percentage composition of Chlorine:

Thus,

Percentage Composition of Calcium is 36.03%

Percentage Composition of Chlorine is 63.96%.


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