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1. Prepare un estndar de litio de 1 mmol/L a partir de carbonato de litio (Li2CO3). D la cantidad en mg/L. 2. Si 3 mL

1. Prepare un estndar de litio de 1 mmol/L a partir de carbonato de litio (Li2CO3). D la cantidad en mg/L.

2. Si 3 mL de 100 mcg/mL se diluyen a 100 mL. Cul es la concentracin en mg/dL?

3. Prepare 1 litro de solucin de NaOH 0,06 M (FW 40) a partir de la solucin madre 1N.

4. Prepare 2 l de NaCl al 0,85 % (p/v) (FW 58).

5. Prepare una solucin de cloruro de calcio al 5 % P/V a partir de CaCl2 * 6H2O (FW 219).

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