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Question Completion Status: QUESTION 28 The pH of a solution prepared by mixing 50 mL of...
What is the pH of a solution prepared by mixing 32.1 mL of 0.183 M KOH and 32.1 mL of 0.145 M HCl is at 25 °C?
What is the pH of a solution prepared by mixing of 45.0 mL of 0.184 M KOH with 65.0 mL of 0.145 M HCl? (A) 1.07 (B) 1.13 (C) 1.98 (D) 2.92
the ph of a solution prepared by mixing 45.0ml of 0.182 M koh and 45.0 ml of 0.146M hcl is
A buffer solution is prepared by mixing the following solutions: SHOW WORK 50. mL of 2.0 M weak acid (HA) solution and 50. mL of 2.0 M conjugate base solution (NaA) solution. The Ka for HA is 2.27 x 10-11. 41. What is the pH of the resulting solution after adding 100 ml of 1.0 M HCl to the original buffer solution? 11.12 b) 10.64 c) 12.32 d) 0.48 e) 5.32
The pH of a solution prepared by mixing 63.7 mL of 0.125 M Mg(OH)2 and 254.1 mL of 0.125 M HCl is ________. Submit your answer in the following format: 2 decimal places (Example: 7.13) The pH of a solution prepared by mixing 63.7 mL of 0.125 M Mg(OH)2 and 254.1 mL of 0.125 M HCl is ________. Submit your answer in the following format: 2 decimal places (Example: 7.13)
Calculate the pH of a solution made by mixing 65.0 mL of 0.045 M HCl and 35.0 mL of 0.043 M Ca(OH), 4.45 10.38 10.93 11.71 03.07
3- What is the pH of a solution prepared by mixing 50 mL of 0.0219 M ammonium chloride with 50 mL of 0.0292 M ammonia? Report your answer to three decimal places. ANS:.. . .. . ......... ... ... ..... ..... 4- Calculate the pH if you add 1 ml of 0.01 M HCl to the buffer from question #3. Repost you answer to three decimal places. ANS:.. . . ... 5- Calculate the pH if you added 1 mL...
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M methylamine, CH3NH2, with 25.00 mL of 0.10 M methylammonium chloride, CH3NH3C1? Assume that the volume of the solutions are additive and that Kb = 3.70 times 10-4 for methylamine. 10.27 10.57 10.87 11.78 Which statement about buffers is true? Buffers have a pH = 7. Buffers consist of a strong acid and its conjugate base. A buffer does not change pH on addition of a...
The pH of a solution prepared by mixing 69.5 mL of 0.125 M Mg(OH)2 and 197.6 mL of 0.125 M HCl is ________. Submit your answer in the following format: 2 decimal places. THANK YOU!
The pH of a solution prepared by mixing 74.9 mL of 0.125 M Mg(OH)2 and 214.4 mL of 0.125 M HCl is Submit your answer in the following format: 2 decimal places (Example: 7.13)