Complete the data table

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Problem: Suppose you obtained the following data from doing the experiment described in the procedure. Complete the data table. The 25.00 mL of diluted HCI titrated in the experiments was prepared by diluting 25.00 mL of a stock solution to 250.00 mL in a volumetric flask. The stock solution is the undiluted HCI.

Concentration of NaOH = 0.120M

 

Trial 1

Trial 2

Trial 3

Initial buret reading

6.24 mL

0.50 mL

1.48

Final buret reading

26.06 mL

19.62 mL

21.00

Volume of NaOH added

 

 

 

Moles of NaOH added

 

 

 

Moles of HCI reacted

 

 

 

Molarity of diluted HCI

 

 

 

Molarity of undiluted HCI

 

 

 

Average molarity of undiluted HCI

 

 

 

1. Find the molarity of the original HCI stock. Show your work as outlined in the calculations.

2. Are these three titrations close enough so that another one need not be done? Use a calculation to explain your response.

Reference no: EM13863945

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