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1.912-g sample of calcium chloride is decomposed into its constituent elements and found

Chapter 6, Problem 73P

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QUESTION:

A 1.912-g sample of calcium chloride is decomposed into its constituent elements and found to contain 0.690 g Ca and 1.222 g Cl. Calculate the mass percent composition of Ca and Cl in calcium chloride.

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QUESTION:

A 1.912-g sample of calcium chloride is decomposed into its constituent elements and found to contain 0.690 g Ca and 1.222 g Cl. Calculate the mass percent composition of Ca and Cl in calcium chloride.

ANSWER:

Solution 73P

Here, we are going to calculate the percent composition of Ca and Cl in calcium chloride.

Step 1:

Mass percentage gives the concentration of an element in a compound. Mathematically, it can be calculated by the following formula:

Mass percent of an element X = (mass of the element X / total mass of compound) x 100 %

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