Question

A dilute solution of co2 in water contains 0.000540 g of co2 per 500.0 g of solution. What is the concentration of co2 in ppb?

Answer 1

Answer:

                  1080 ppb

Explanation:

                            Parts Per Billion is defined as the number of parts of a solute per one billion parts of a solution.

                  ppb  =  (Weight of Solute / Weight of Solution) × 10⁹

Data Given;

                 Weight of Solute (CO₂)  =  0.000540 g

                 Weight of Solution  =  500 g

Putting Values,

                 ppb  =  (0.000540 g / 500 g) × 10⁹

                 ppb  =  1.08 × 10⁻⁶ × 10⁹

                 ppb  =  1080 

Result:

          It means if given solution is containing 1 billion particles then 1080 particles in that are of CO₂.