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A student prepares a solution for titration by adding a 10.00 mL aliquot of a solution saturated with Ca(OH)2 at 82.9°C to 25.0 mL of deionized water. This solution is titrated with a standardized 0.01252 M HCI solution. The equivalence point is observed after 17.94 mL of the HCl solution has been added. use this data to answer the questions below. Calculate the moles of OH- in the 10.00ml sample. (Hint, moles of OH- at the equivalence point = moles HCI) Your answer should have 4 sig figs. Enter answers in scientific notation using E, as 1.234 E-2 for example. Answer: 8.984e-3 Calculate the moles of Ca2* in the 10.00ml sample. (See equation 1 in the procedure) Your answer should have 4 sig figs. Answer: 0.000032

A student prepares a solution for titration by adding a 10.00 mL aliquot of a solution saturated with Ca(OH)2 at 82.9°C to 25.0 mL of deionized water. This solution is titrated with a standardized 0.01252 M HCI solution. The equivalence point is observed after 17.94 mL of the HCl solution has been added. use this data to answer the questions below. Calculate the moles of OH- in the 10.00ml sample. (Hint, moles of OH- at the equivalence point = moles HCI) Your answer should have 4 sig figs. Enter answers in scientific notation using E, as 1.234 E-2 for example. Answer: 8.984e-3 Calculate the moles of Ca2* in the 10.00ml sample. (See equation 1 in the procedure) Your answer should have 4 sig figs. Answer: 0.000032

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Calculate the morality of the OH- in the 10.00ml sample using your answer for #1 Answer: 0.0064 Calculate the molarity of the Ca2+ in the 10.00ml sample. Answer: 0.00000013 Calculate the Ksp for Ca(OH)2 in the solution at 82.9 °C (See equation 2) Your answer should have 4 sig figs Answer: 4.036e-5
Transcribed Image Text:Calculate the morality of the OH- in the 10.00ml sample using your answer for #1 Answer: 0.0064 Calculate the molarity of the Ca2+ in the 10.00ml sample. Answer: 0.00000013 Calculate the Ksp for Ca(OH)2 in the solution at 82.9 °C (See equation 2) Your answer should have 4 sig figs Answer: 4.036e-5
A student prepares a solution for titration by adding a 10.00 ml aliquot of a solution saturated with Ca(OH)2 at 82.9°C to 25.0 ml of deionized water. This solution is titrated with a standardized 0.01252 M HCI solution. The equivalence point is observed after 17.94 mL of the HCl solution has been added. use this data to answer the questions below. Calculate the moles of OH- in the 10.00ml sample. (Hint, moles of OH- at the equivalence point = moles HCI) Your answer should have 4 sig figs. Enter answers in scientific notation using E, as 1.234 E-2 for example. Answer: 8.984e-3 Calculate the moles of Ca2* in the 10.00ml sample. (See equation 1 in the procedure) Your answer should have 4 sig figs. Answer: 0.000032
Transcribed Image Text:A student prepares a solution for titration by adding a 10.00 ml aliquot of a solution saturated with Ca(OH)2 at 82.9°C to 25.0 ml of deionized water. This solution is titrated with a standardized 0.01252 M HCI solution. The equivalence point is observed after 17.94 mL of the HCl solution has been added. use this data to answer the questions below. Calculate the moles of OH- in the 10.00ml sample. (Hint, moles of OH- at the equivalence point = moles HCI) Your answer should have 4 sig figs. Enter answers in scientific notation using E, as 1.234 E-2 for example. Answer: 8.984e-3 Calculate the moles of Ca2* in the 10.00ml sample. (See equation 1 in the procedure) Your answer should have 4 sig figs. Answer: 0.000032
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