What mass of iron is found in 280 g of 2 ppm solution?

The mass of iron found in the solution is 0.56 mg

Explanation:

ppm is the amount of solute (in milligrams) present in kilogram of a solvent. It is also known as parts-per million.

To calculate the ppm of oxygen in sea water, we use the equation:

Both the masses are in grams.

We are given:

Concentration of iron = 2 ppm

Mass of solution = 280 g

Putting values in above equation, we get:

Conversion factor used:  1 g = 1000 mg

Hence, the mass of iron found in the solution is 0.56 mg

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