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Experiment Titration

Molarity of HCl 1.013M 1.013M 1.013M
Volume of acid titrated 25.00ml 22.0ml 23.0ml
Final base buret reading __ 24.2ml 20.7ml
Initial base buret reading __ 5.2ml 1.0ml
Volume of NaOH (#3 – #4) _ _
Molarity of NaOH _ _
Average Molarity of NaOH __
Calculations: Show the work below for each trial. 40pts.
use (#H in acid formula) MaVa= MbVb (#OH in base formula) to solve for Mb.
Questions: 10pts each. Show the set-up for each problem. Place answers on the lines
at the right.
What is the Molarity of an HF solution if 55ml of it is neutralized by 35ml of 0.25M
KOH?

How many ml of 1.50M Ba(OH)2 are needed to completely react with 100.ml of 0.500M
HBr?

What is the Molarity of a solution of Al(OH)3 if 100.ml of it is neutralized by 400.ml of
0.50 M H2SO4 solution?

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