D Question 25 1 pts Determine the pH at the equivalence point of a titration between...
Question 25 1 pts Determine the pH at the equivalence point of a titration between 50.0 mL of 0.133 M (CH3)2NH solution with 0.133 MHCIO4. Remember that only the decimals in a pH count as significant figures. Please enter your answer with three decimal places.
Question 24 1 pts Calculate the pH of a 0.236 M solution of Sr(OH)2 Remember that a pH with three decimal places has three significant figures. Make sure to enter your answer with three decimal places. Question 25 1 pts Determine the pH at the equivalence point of a titration between 50.0 mL of 0.133 M (CH3)2NH solution with 0.133 MHCIO4. Remember that only the decimals in a pH count as significant figures. Please enter your answer with three decimal...
Question 26 1 pts Calculate the pH of a 0.432 M (CH3)2NH2Br solution. Remember that only the decimal places in a pH represent significant figures. Please enter your answer with three decimal places. Question 27 1 pts Calculate the pH of a 0.421 M KClO solution. Remember that only the decimal places in a pH represent significant figures. Please enter your answer with three decimal places.
Remember that only the answer with three decimal places. D Question 27 1 pts Calculate the pH of a 0.145 M KCIO solution. Remember that only the decimal places in a pH represent significant figures. Please enter your answer with three decimal places.
Suppose you performed a titration of a weak acid and you found that the equivalence point occurred at 12.3 mL of added NaOH. At what volume would you use the pH to determine the pKa of the acid? Enter your answer numerically to three significant figures
Equivalence Point for Titration #1: 24.96 mL Equivalence Point for Titration #2: 25.40 mL Equivalence Point for Titration #3: 25.20 mL Midpoint pH for Titration #3: 9.80 QUESTIONS: 4) Set up the calculation required to determine the concentration of the NaOH solution via titration of a given amount of KHP. Include all numbers except the given mass of KHP. 5) Set up the calculation required to determine the concentration of the unknown strong acid via titration with a known volume...
Q2 Part B What is the pH at the equivalence point in the titration of 100.0 mL of 0.0500 M HOCI (Ka = 3.5 x 10-8) with 0.400 M NaOH? Express your answer to two decimal places. ΤΕΙ ΑΣΦ ? pH = 19.76 Submit Previous Answers Request Answer X Incorrect; Try Again A certain weak acid, HA, with a Ka value of 5.61 x 10-6, is titrated with NaOH. Part A A solution is made by titrating 8.00 mmol (millimoles)...
What is the pH at the equivalence point in the titration of a 29.4 mL sample of a 0.403 M aqueous acetic acid solution with a 0.386 M aqueous sodium hydroxide solution? What is the pH at the equivalence point in the titration of a 29.4 mL sample of a 0.403 M aqueous acetic acid solution with a 0.386 M aqueous sodium hydroxide solution?
Determine the pH at the equivalence (stoichiometric) point in the titration of 48 mL of 0.28 M CH3NH2(aq) with 0.2 M HCl(aq). The Kb of methylamineis 3.6 x 10-4. The answer is 5.74. Please explain!
Suppose you perform a titration of a diprotic acid and you determine the following information: pH at first equivalence point: 4.15 pH at second equivalence point: 8.12 pH at first half-equivalence point: 2.22 pH at second half-equivalence point: 6.73 What is pKa2 for this unknown acid? Enter your answer numerically to three significant figures.