What is the concentration of nitrogen gas (N2), in parts per million, in a solution that contains 0.008 grams of nitrogen gas dissolved in 1,000 grams of water?

The concentration of nitrogen gas in parts per million is 7.99 ppm.

Explanation:

Solute is defined as the component of the solution present in a smaller proportion while the solvent is defined as the component of the solution present in a larger proportion.

Concentration in ppm (parts per million) represents the amount of solute in milligrams present per kilograms of solution.

                                       OR

     ......(1)

Given values:

Mass of solute (nitrogen gas) = 0.008 g

Mass of solvent (water) = 1000 g

Mass of solution = [0.008 + 1000] g = 1000.008 g

Plugging values in equation 1:

Hence, the concentration of nitrogen gas in parts per million is 7.99 ppm.

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