User:Klare Lazor/Notebook/Chem-496-001/2012/02/07: Difference between revisions
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*so any concentration as long as they have a ratio of 1, we use 0.05mols/Liter | *so any concentration as long as they have a ratio of 1, we use 0.05mols/Liter | ||
* may have to increase the amount of Na2HPO4 because it is hydrated | * may have to increase the amount of Na2HPO4 because it is hydrated | ||
**141.98g/mol Na2HPO4- * 0.050 mol/L = 7.099 g/L x .25 L =1.7747g | **141.98g/mol Na2HPO4- * 0.050 mol/L = 7.099 g/L x .25 L =1.7747g (added extra 2 grams) | ||
**137.99g/mol x 0.05 mol/L = 6.89 x .25 L = 1.725 g | **137.99g/mol x 0.05 mol/L = 6.89 x .25 L = 1.725 g | ||
** total solution 250mL | |||
Revision as of 11:22, 29 February 2012
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