Question

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

Answer 1

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%.

Answer 2

Answer:

Percentage Composition of Calcium is 36.03%,  

Percentage Composition of Chlorine is 63.96%.

Explanation:

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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