00 mL of a diprotic acid primary standard solution was accurately prepared to a concentration of 0.1431 M.  Three samples of this primary standard solution were used as samples in a titration to standardize an aqueous solution of sodium hydroxide, NaOH, which would be used as a titrant. Using the following table of data for the titration of the primary standard acid with NaOH, calculate the average concentration of NaOH.   Trial # Volume of primary standard Initial titrant volume Final titrant volume 1 10.00 mL 8.21 mL 27.22 mL 2 10.00 mL 27.22 mL 46.23 mL 3 10.00 mL 30.28 mL 49.29 mL        0.1506 M      0.0753 M      0.0376 M      0.1431 M      0.0526 M

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00 mL of a diprotic acid primary standard solution was accurately prepared to a concentration of 0.1431 M.  Three samples of this primary standard solution were used as samples in a titration to standardize an aqueous solution of sodium hydroxide, NaOH, which would be used as a titrant.

Using the following table of data for the titration of the primary standard acid with NaOH, calculate the average concentration of NaOH.

 

Trial # Volume of primary standard Initial titrant volume Final titrant volume
1 10.00 mL 8.21 mL 27.22 mL
2 10.00 mL 27.22 mL 46.23 mL
3 10.00 mL 30.28 mL 49.29 mL

 

   

 0.1506 M

   

 0.0753 M

   

 0.0376 M

   

 0.1431 M

   

 0.0526 M

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