What is the pH of a solution prepared by mixing 32.1 mL of 0.183 M KOH...
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
Question Completion Status: QUESTION 28 The pH of a solution prepared by mixing 50 mL of 0.183 M KOH and 35.0 mL of 0.145 M HCl is Hints: the acid-base reaction is following: H(aq) + OH(aq) → H200) + NaCl(aq) 0.0051 mol of OH- is remaining after adding HCl into KOH and the total volume of the mixing solution is 0.085 L (85 mL = 50 ml + 35 mL) 1.314 OA 1.403 08 0.00824 oc 12.597 OD 12.778 08...
the ph of a solution prepared by mixing 45.0ml of 0.182 M koh and 45.0 ml of 0.146M hcl is
What is the pH of a solution prepared by mixing 25.0 mL of 0.100 M benzoic acid and 50.0 mL of 0.050 M KOH ? (Ka benzoic acid = 6.4 x 10-5) A. 8.36 B. 5.19 C. 8.81 D. 9.04 E. 5.64
What is the pH of a solution prepared by mixing 100. mL of 0.0500 M HCl with 300. mL of 0.500 M HF? [Ka(HF) = 7.1 10–4] Group of answer choices 1.63 2.82 2.01 0.81
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 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 pH when: solution prepared by mixing 112.0mL of 1.3x10^-3 M HCL and 444.0 mL of M HClO4 (assume that volumes are additive) Solution prepared by mixing 1120 mL of 1.3 10-3 M HCl and 444.0 mL of 1.0-103 MHCIO, (Assume that volumes are additive ) Express your answer using two decimal places. pH- Submt Request Answer ide Feedback
What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 89.0 mL of 0.489 M HCl and 59.0 mL of 1.039 M NaOH? pH =
What is the pH of the solution obtained by mixing 30.00 mL of 0.250 M HCl and 30.00 mL of 0.125 M NaOH? We assume additive volumes. What is the pH of a solution that is 0.75 M in sodium acetate and 0.50 M in acetic acid? (ka for acetic acid is 1.3x10-5.) Calculate the pH of a solution prepared by mixing 15.00 ml of 0.10 M NaOH and 30.00 mL of 0.10 M benzoic acid solution. (Benzoic acid is monoprotic; its...