Respuesta :

Answer: The mass of mercury will be 57.5 micrograms.

The given question deals with Analytical Chemistry where Concentration is asked here.

Concentration: Generally concentration is defined as amount of the substance per unit volume. Concentration is also expressed in parts per million(ppm) when it is a small quantity as in case of mercury content in fish.

Explanation:   Given mass of the fish = 250 g,

                         ppm = 0.23

               Now mass of mercury = 0.23 ppm × 250 g                                                        

                                                     = 0.23/1,000,000 × 250g

                                                    =0.23×250/1,000,000 g

                                                    = 0.0000575 g

                                                    =57.5 micrograms

Reference Link:https://brainly.com/question/12003074

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