Chemistry, asked by vishesh738218, 1 day ago

b. Calculate the mass of KCN required to extract gold from 100 kg of a rock sample having 2.2% gold on w/w basis

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Answered by mahanthkumarbm

Answer:

Calculate the concentration of NaCl in parts per million (ppm). Write an equation representing the ppm concentration: ppm = mass solute (mg) ÷ volume solution (L) Extract the data from the question: mass solute (NaCl) = 0.0045 g. volume of solution = 150 mL

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