Trial 1 with standard monoprotic acid Initial concentration of standard acid

Trial 1 with standard monoprotic acid initial

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Trial #1 with standard monoprotic acid Initial concentration of standard acid 0.100M Initial buret reading 3.70 mL Final buret reading 13.60 mL Volume of acid transferred 9.90 mL Volume of Beaker with standard acid solution 100 mL (90 mL of H 2 O added) Initial pH 2.51 Volume of base added @ colour change 8.919 mL Final pH 11.54 Final Volume 12.973 mL
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Trial #2 with standard monoprotic acid Initial concentration of standard acid 0.100M Initial buret reading 13.60 mL Final buret reading 23.60 mL Volume of acid transferred 10.00 mL Volume of Beaker with standard acid solution 100 mL (90 mL of H 2 O added) Initial pH 2.51 Volume of base added @ colour change 9.676 mL Final pH 11.66 Final Volume 15.622 mL
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Trial #3 with standard monoprotic acid Initial concentration of standard acid 0.100M Initial buret reading 3.80 mL Final buret reading 13.90 mL Volume of acid transferred 9.90 mL Volume of Beaker with standard acid solution 100 mL (90 mL of H 2 O added) Initial pH 2.57 Volume of base added @ colour change 10.050 mL Final pH 11.60 Final Volume 15.405 mL
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Trial #1 with unknown acid #1 Initial buret reading 7.10 mL Final buret reading 17.10 mL Volume of acid transferred 10.00 mL Volume of Beaker with standard acid solution 100 mL (90 mL of H 2 O added) Initial pH 3.03 Volume of base added @ colour change 9.730 mL Final pH 11.65 Final Volume 15.409 mL
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Trial #2 with unknown acid #1 Initial buret reading 5.50 mL Final buret reading 15.40 mL Volume of acid transferred 9.90 mL Volume of Beaker with standard acid solution 100 mL (90 mL of H 2 O added) Initial pH 2.96 Volume of base added @ colour change 10.243 mL Final pH 11.55 Final Volume 14.865 mL
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Trial #3 with unknown acid #1 Initial buret reading 15.40 mL Final buret reading 25.40 mL Volume of acid transferred 10.00 mL Volume of Beaker with standard acid solution 100 mL (90 mL of H 2 O added) Initial pH 3.08 Volume of base added @ colour change 10.004 mL Final pH 11.54 Final Volume 14.649 mL
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Calculations: 1.
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  • Fall '14
  • Pell, Wendy

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