Answered

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5. A student titrated a 25.00 mL sample of HCI with an unknown concentration with 0.150 M
NaOH. Phenolphthalein was used as an indicator. The initial volume of NaOH solution before
the titration was 1.07 mL.
a. Record the final volume of NaOH according to the picture of the buret.
b. Find the total volume of NaOH solution used to reach the end point.
Calculate the molarity of the HCI solution.

Sagot :

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