Q- What is the molarity of the initial HCl solution of 45.78 mL of 0.50 M HCl after adding 30.3 mL of deionized water? ANS- this is an answer of this question------
Hi, I need help with this question, thanks! What is the molarity of the initial HCl...
a student was conducting a titration La=1.8•10^-5 48.92 mL of a 0.1089 M solution of acetic acid to a 200 ml beaker. The student then added 3 ant then added 35.8 mL of deionized water. After adding the water to the solution, the mixture was stirred to ensure proper mixing of solution Calculate the theoretical phat the following points of calibration curve. a) Initial pl, before addition of any NaOH? Be sure to consider the change in volume due to...
heading Harding 2 A Student added 49.6 mL of 0.73 M solution of HCl to a beaker. The student then added 50 mL of DI water to the beaker. The HCl was titrated with 1248 ml of 0.73 M N O solution without reaching the equivalence point. Answer questions 21 - 25 with this information 21. How many moles of HCl are in the initial solution? (3 pts) 22. What is the molarity of the initial HCl solution after adding...
1)A 10.0 mL sample of 0.25 M NH3(aq) is titrated with 0.20 M HCl(aq) (adding HCl to NH3). Determine which region on the titration curve the mixture produced is in, and the pH of the mixture at each volume of added acid.Kb of NH3 is 1.8 × 10−5.Henderson–Hasselbalch equation:Part a):1) After adding 10 mL of the HCl solution, the mixture is [ Select ] ["at", "before", "after"] the equivalence point on the titration curve.2) The pH of the solution after...
In a titration experiment, 12.7 mL of an aqueous HCl solution was titrated with 0.6 M NaOH solution. The equivalence point in the titration was reached when 11.1 mL of the NaOH solution was added. What is the molarity of the HCl solution?
In a titration experiment, 12.6 mL of an aqueous HCl solution was titrated with 0.2 M NaOH solution. The equivalence point in the titration was reached when 9.6 mL of the NaOH solution was added. What is the molarity of the HCl solution?
In a titration experiment, 11.4 mL of an aqueous HCl solution was titrated with 0.4 M NaOH solution. The equivalence point in the titration was reached when 13.0 mL of the NaOH solution was added. What is the molarity of the HCl solution?
1. What is the definition of an 'equivalence point' in an acid/base titration? (1 point) 2. In part one of the experiment, you will prepare the acid solutions being titrated from a stock solution. Describe how you will accurately prepare 10.00 mL of 0.100 M HCl solution using a 1.00 M HCl stock solution. In your response to this question, be very specific about the quantities of stock solution and deionized water to be used in the dilution and the...
please help with my pre lab additional information Pre-Lab Questions: 1. What is the definition of an 'equivalence point' in an acid/base titration? (1 point) 2. In part one of the experiment, you will prepare the acid solutions being titrated from a stock solution. Describe how you will accurately prepare 10.00 mL of 0.100 M HCl solution using a 1.00 M HCI stock solution. In your response to this question, be very specific about the quantities of stock solution and...
Question 6 1 pts A 10.0 mL sample of 0.25 M NH3(aq) is titrated with 0.20 M HCl(aq) (adding HCl to NH3). Determine which region on the titration curve the mixture produced is in, and the pH of the mixture at each volume of added acid. Ko of NH3 is 1.8 x 10-5 Henderson-Hasselbalch equation: pH = pka + log og HCI NH, NH3- Parta): 1) After adding 10 mL of the HCl solution, the mixture is (Select] the equivalence...
3. If 15.0 mL of 0.125 M phosphoric acid is titrated with 0.100 M NaOH, what volume of the titrant (in mL) must be added to completely neutralize the acid? Show all of your work (including the chemical equation). (1 point) Post-lab Questions: Experiment #9: Acid-Base Titrations Student Learning Objectives : Students will gain practice with the accurate preparation of solutions. Students will perform acid-base titrations and prepare titration curves. Students will identify strong and weak acids by the shapes...