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Explain briefly how to prepare the following solutions in the laboratory using solid Pb(NO3)2 as the starting reagent: i) 250 mL 20%(w/v) Pb(NO3)2- (2 marks) ii) 250 mL of 100 ppm Pb2+
Explain briefly how to prepare the following solutions in the laboratory using solid Pb(NO3)2 as the starting
reagent: i) 250 mL 20%(w/v) Pb(NO3)2- (2 marks) ii) 250 mL of 100 ppm Pb2+. (4 marks)
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