Select one: a. 1.0 L of the solution contains 15 g of benzene b. there are 15 mg

Question

Select one:

a. 1.0 L of the solution contains 15 g of benzene

b. there are 15 mg of benzene in 1.0 g of this solution

c. the solution is 15% by mass of benzene

d. 100 g of the solution contains 15 g of benzene

e. 1.0 g of the solution contains 15

A solution contains 15 ppm of benzene. The density of the solution is This means that ________. Select one: a. 1.0 L of the solution contains 15 g of benzene b. there are 15 mg of benzene in 1.0 g of this solution c. the solution is 15% by mass of benzene d. 100 g of the solution contains 15 g of benzene e. 1.0 g of the solution contains 15 ??? 10^-6 g of benzene

Explanation / Answer

The solution contains 15 ppm of benzene ,this means thatthe benzene is presen as 15g in 1000000 ml solution

?Benzene is present in 1ml solution = 15 *10-6 g

The density of the solution is 1.0g/ml

Benzene present in 1 ml solution is 15 * 10-6g

This means 15 * 10-6 g ofbenzene is present in the 1.0g of the solution

So Ans.E.1.0 g of the solution contains 15

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