Assignment 3 - 0.522 M HCl The excess HCl was titrated with...

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Quantitative Analysis Assignment #3 Due 10/15/04 Equilibria and Titrations 1) What mass of nickel sulfide (NiS; FW=90.759) can be dissolved in 5 L of water if the K sp is 1.3x10 -25 ? 2) A mixture of sodium oxalate (Na 2 C 2 O 4 ; FW=101.9997) and sodium monoxalate (NaHC 2 O 4 ; FW=80.0179) weighed 1.578 g and was titrated to excess with 48.01 mL of
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Unformatted text preview: 0.522 M HCl. The excess HCl was titrated with 0.7435 M NaOH and needed 3.98 mL of NaOH to be neutralized. What was the weight percent of each of the two compounds in the original sample?...
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