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1) How much of each source material is required to make the stated solution: (9 marks) a) 250 mL of a 80 ppm Cs from
1) How much of each source material is required to make the stated solution: (9 marks)
a) 250 mL of a 80 ppm Cs from Cs2CrO4 (F.W. 381.80 g/mol)
b) 250 mL of a 250 ppm Carbon (C) from potassium citrate (K3C6H5O7 F.W. 306.395 g/mol)
c) 200mL of 0.25M EDTA from Na2EDTA dihydrate (Na2EDTA2H2O F.W. 372.24 g/mol)
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