Consider a 1.0 L buffer containing 0.086 mol L-1 HOCI and 0.089 mol L-1 ocr. What...
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.
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....
can someone please help me with these 3 questions? Consider a 1.0 L buffer containing 0.098 mol L. HCOOH and 0.107 mol L'HCOO : What is the pH of the solution after adding 7.8 x 10-3 mol of NaOH? Express your answer to 2 decimal places. You have 5 attempts at this question. Remember you can find KA and/or Kg values in your textbook in chapter 15. Answer: Check What is the pH of a solution containing 0.489 mol L...
1.What is the pH at which a buffer composed of NH3 and NH4+ would be most effective at resisting pH change? Round your answer to 2 decimal places. Remember you can find KA and/or KB values in your textbook in chapter 15. 2. Consider a 1.0 L buffer containing 0.119 mol L-1 HF and 0.081 mol L-1 F-. What is the pH of the solution after adding 5.7 x 10-3 mol of NaOH? Express your answer to 2 decimal places....
HOCL Ka value in textbook 4.0x10^-8 My courses / SC/CHEM1001 M, N, O, P - Chemical Dynamic mework Assignments / Assignment 5: Aqueous lonic Equilid Consider a 1.0 L buffer containing 0.110 mol L' 1 HOCI and 0.096 mol L- OCI. What is the pH of the solution after adding 2.5 x 10-3 mol of NaOH? Express your answer to 2 decimal places. You have 5 attempts at this question. Remember you can find KA and/or Kg values in your...
Determine the pH change when 0.086 mol NaOH is added to 1.00 L of a buffer solution that is 0.302 M in HClO and 0.203 M in ClO-. pH after addition − pH before addition = pH change =
What is the pH after 0.150 mol of HCl is added to the buffer from Part A? Assume no volume change on the addition of the acid Express the pH numerically to three decimal places. ► View Available Hint(s) ROO? V AE pH= 5.81 Submit Previous Answers X Incorrect; Try Again You used the final concentration of HA (after the addition of HCI), but you used the initial concentration of A You may want to review Hint 3. Determine the...
Part A What is the pH of a buffer prepared by adding 0.506 mol of the weak acid HA to 0.608 mol of NaA in 2.00 L of solution? The dissociation constant Ka of HA is 5.66×10−7. Express the pH numerically to three decimal places. pH = SubmitHintsMy AnswersGive UpReview Part Part B What is the pH after 0.150 mol of HCl is added to the buffer from Part A? Assume no volume change on the addition of the acid....
Part A - 7 What is the pH of a buffer prepared by adding 0.809 mol of the weak acid HA to 0.507 mol of NaA in 2.00 L of solution? The dissociation constant K, of HA is 5.66 x 10 Express the pH numerically to three decimal places. View Available Hint(s) Ivo AED ? pH = Submit Part B What is the pH after 0.150 mol of HCl is added to the buffer from Part A? Assume no volume...
PartA A 1.0-L buffer solution is 0.135 mol L-1 in HNO2 and 0.190 mol L-1 in NaNO2 Determine the concentrations of HNO2 and NaNO2 after addition of 18 g HCL Express your answers using three significant figures separated by a comma. mol L-1 Submit Part B Determine the concentrations of HNO2 and NaN02 after addition of 1.6 g NaOH Express your answers using three significant figures separated by a comma. mol L-1 Submit Request Answer Part C Determine the concentrations...