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10.0 grams of lead combines completely with 30.0 grams of chlorine to form a compound.
What is the percent composition of chlorine in the compound?
a. 75.0%
b. 73.2%
c. 25.0%
d. 273%

Sagot :

Ajinemsidn

The percent composition of chlorine in the compound = 75%. That is option A

Calculation of percent composition

Percent composition of elements in a compound indicates the percent each element occupies in relation to the compound's total mass.

The quantity of lead in the compound= 10g

The quantity of chlorine in the compound= 30g

Therefore the total mass of the compound= 10+30= 40g

But the basic formula for % composition=

mass of element / mass of compound X 100%

%x = 30/40×100

= 3000/40

= 75%

Therefore, the percent composition of chlorine in the compound = 75%

Learn more about percent composition here:

https://brainly.com/question/17021926

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