What is the pH of a solution containing 0.342 mol L-1 CH3COOH and 0.428 CH3COO- mol L-1 ? Round your answer to 2 decimal places.
What is the pH of a solution containing 0.342 mol L-1 CH3COOH and 0.428 CH3COO- mol...
What is the pH of a solution containing 0.342 mol L-1 NH3 and 0.140 mol L-1NH4? Round your answer to 2 decimal places. Remember you can find KA and/or Kg values in your textbook in chapter 15. Answer: Check A 45.3 mL solution of 0.283 mol L-1 HCl is titrated using 0.820 mol L-'NaOH. What volume of NaOH (in mL) is needed to reach the equivalence point in this experiment? Remember you can find KA and/or Ke values in your...
What is the pH of a solution containing 0.138 mol L-1 NH3 and 0.253 mol L-1 NH4+? Round your answer to 2 decimal places. Remember you can find KA and/or KB values in your textbook in chapter 15.
Buffer action 4 A buffer solution consisting of 0.05 mol/L acetic acid (CH3COOH) and 0.05 mol/L acetate (CH3COO-) has been used to buffer a 1 L solution at pH 4.7. A small amount of sodium hydroxide solution containing 0.0001 mol NaOH was added. Which of the following reactions best represents the buffer action? + Select one: O a. NaOH(aq) Na+(aq) + OH(aq) O b. CH3COOH(aq) + H2O(1) CH3COO(aq) H30*(aq) O c. CH3COO(aq) + H2O(0) CH3COOH(aq) OH(aq) O d. CH3COOH(aq) +...
1. Consider a 1.0 L buffer containing 0.102 mol L-1 HOCl and 0.103 mol L-1 OCl-. What is the pH of the solution after adding 2.8 x 10-3 mol of HCl? Express your answer to 2 decimal places. 2. What is the pH of a solution containing 0.179 mol L-1 HF and 0.329 mol L-1 F- ? Round your answer to 2 decimal places. 3. 15.4 mL solution of 0.100 mol L-1 NaOH is titrated using 0.150 mol L-1 HCl....
What is the pH, amount of CH3COO- and CH3COOH in mol of a buffer synthesized from 10mL of 0.1M CH3COONa and 2.0mL of 0.1M HCl?
A 1.0 L solution initially contains 0.3 M CH3COOH. Approximate the number of moles of CH3COOH and CH3COO− in the solution after 0.1 mol of solid NaOH is added, and calculate the pH of the resulting solution. Ka of CH3COOH is 1.8 ×10−5. 1) The number of moles of CH3COOH present is [ Select ] ["0.2", "0.3", "0.1"] mol. 2) The number of...
Consider a 1.0 L buffer containing 0.086 mol L-1 HOCI and 0.089 mol L-1 ocr. What is the pH of the solution after adding 3.1 x 103 mol of HCI? Express your answer to 2 decimal places.
Consider a 1.0 L buffer containing 0.109 mol L-1 HOCl and 0.095 mol L-1 OCl-. What is the pH of the solution after adding 7.2 x 10-3 mol of NaOH? Express your answer to 2 decimal places.
what concentrations of CH3COO- and CH3COOH of those below would give a buffer with a pH of 4.11 (pKa= CH3COOH=4.84) Br What concentrations of [CH3COO 1 and [CH1COOH1 of those below would give a buffer with a pH of 4.11? (pKa CH3COOH = 4.84). 10 a) (CH3COO]-0.15 M, [CH3COOH] = 0.10 M b) [CH3COO]-0.10 M, [CH3COOH] = 0.53 M c) [CH3COO]-0.46 M, [CH3COOH]= 0.10 M d) [CH3COO]- 0.23 M, [CH3COOH] = 0.10 M 14
5. Please calculate the pH of a solution containing 0.40 M CH,COOH and 0.70 M CH3COONa (K, acetic acid = 1.8 X 10"): CH3COOH + H+ + CH3COO CH3COONa → CH3COO + Nat 6. The molar solubility of tin(ll) iodide is 1.28 x 10-2 mol/L. What is Ksp for this compound?