8. The following data was obtained during the titration of 2.0554 M hydrochloric acid with a 25.00 mL aliquot of barium hydroxide: Trial 1 Trial 2 Trial 3 Burette Final Reading 22.92 mL 25.32 mL 41.30 mL Burette Initial Reading 0.06 mL 2.58 mL 18.54 mL Volume of Acid Added Use the above information to determine the concentration of the barium hydroxide. 0.9352 M 9. What volume of 2.549 M NaOH is needed to fully titrate 50.0 mL of 1.285 M HCl solution ? HCl + NaOH → 0.0500 L HCl x 1.285 mol x 1 mole NaOH x 1L = 0.0252 L 1 L 1 mole HCl 2.549 mole 10. What volume of 1.146 M KOH is needed to fully titrate 20.8 mL of 0.557 M H2SO4 solution ? H2SO4 + 2KOH → 0.0208 L H2SO4 x 0.557 mol x 2 mole KOH x 1L = 0.0202 L 1 L 1 mole H2SO4 1.146 mole Titrations Worksheet # 5
8. The following data was obtained during the titration of 2.0554 M hydrochloric acid with a 25.00 mL aliquot of barium hydroxide: Trial 1 Trial 2 Trial 3 Burette Final Reading 22.92 mL 25.32 mL 41.30 mL Burette Initial Reading 0.06 mL 2.58 mL 18.54 mL Volume of Acid Added Use the above information to determine the concentration of the barium hydroxide. 0.9352 M 9. What volume of 2.549 M NaOH is needed to fully titrate 50.0 mL of 1.285 M HCl solution ? HCl + NaOH → 0.0500 L HCl x 1.285 mol x 1 mole NaOH x 1L = 0.0252 L 1 L 1 mole HCl 2.549 mole 10. What volume of 1.146 M KOH is needed to fully titrate 20.8 mL of 0.557 M H2SO4 solution ? H2SO4 + 2KOH → 0.0208 L H2SO4 x 0.557 mol x 2 mole KOH x 1L = 0.0202 L 1 L 1 mole H2SO4 1.146 mole Titrations Worksheet # 5
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