What is the mass, in grams, of copper contained in 1kg of soil, if 2.5ppm is copper?
What I have done so far to attempt this problem:
* I have found the solute concentration by dividing the number of ppm by 10^-3
* I need to try and find the number of moles so I can use the equation n= m/M, where m is the mass of copper, M is the molar mass of copper (which from my periodic table, I know is 63.55g mol^-1), and n is the number of moles.
What I have done so far to attempt this problem:
* I have found the solute concentration by dividing the number of ppm by 10^-3
* I need to try and find the number of moles so I can use the equation n= m/M, where m is the mass of copper, M is the molar mass of copper (which from my periodic table, I know is 63.55g mol^-1), and n is the number of moles.
-
As One ppm is equivalent to 1 milligram of something (here copper) per kilogram soil (mg/kg).
So 2.5 ppm copper means 2.5 mg OR 2.5x10^-3 g OR 0.0025 g copper is contained in 1 kg of soil.
So 2.5 ppm copper means 2.5 mg OR 2.5x10^-3 g OR 0.0025 g copper is contained in 1 kg of soil.