An average human body has 84.0 g of chlorine (as chloride ions) in it. If the average mass of a human body is 70.0 kg, what is the concentration of chlorine in ppth?

Explanation:

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In this case, since the parts per thousand of a solute in a solute is defined in terms of its grams per kilogram of solution (unlike parts per million which are mg/kg) we can mathematically represent it via:

Now, since the whole human body acts as the solution and the chlorine in the form of ions as the solute, the required ppth turns out:

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answer; i do believe the correct answer is (river); /// good luck

1.solid

2.carbon dioxide

3.helium