(Answered) An 110 kg sample of soil was extracted and produced 2732 g

Economics

An 11.0 kg sample of soil was extracted and produced 2.732 g of oil. How many ppm of oil were in the soil?
Using ppm in a calculation...calculate the ppm concentration of 2.7x10-3mg of gold (Au) in 450 mL of aqueous solution __the density of a dilute water sample is 1.00g/mL .
Calculate the concentration in ppm of K present in a solution prepared by dissolving 2.0 g of pure KNO₃ and diluting to a volume of 1L.

MW(KNO3 is) = 101.11 g/mol, MW (K) = 39.1 g/mo

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