How many moles of HCl need to be added to 200.0 mL of a 0.200 M solution of NaF to make a buffer with a pH of 3.60?...
How many moles of HCl need to be added to 200.0 mL of a 0.200 M solution of NaF to make a buffer with a pH of 3.60? (Ka for HF is 6.8 x 10-4)
Question 26 of 31 Sub How many moles of HCl need to be added to 200.0 mL of a 0.200 M solution of Naf to make a buffer with a pH of 3.60? (ka for HF is 6.8 * 10-4) mol
How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer with a pH of 3.50? (Ka for HF is 6.8 x 10-4)
How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer with a pH of 2.70? (ka for HF is 6.8 x 10-4) mol 1 | 2 | 3 7 8 9 +/- x 100 Tap here or pull up for additional resources
Question 9 of 9 Submit How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer with a pH of 3.30? (Ka for HF is 6.8 x 10-4) | mol 7 8 +/- 1 +/- 0 x 100
How many moles of CH3NH2CI need to be added to 200.0 mL of a 0.500 M solution of CH3NH2 (Kb for CH3NH, is 4.4 x 10-4) to make a buffer with a pH of 10.60?
Question 7 of 9 How many moles of CH3NH3Cl need to be added to 200.0 mL of a 0.500 M solution of CH3NH2 (Kb for CH3NH2 is 4.4 * 10-4) to make a buffer with a pH of 11.60? mol C +/- 0 x 100
4. If you want to make a buffer of 4.5 pH, how many grams of NaF do you need to add to 300 mL of 0.4 M HF solution? (Ka=7.1x10-4) Answer: 114.66 grams Pka -log (7.1 X10-4) = 3.1487411651 234
A buffer is prepared by adding 45.0 mL of 0.15 M NaF to 35.0 mL of 0.10 M HF. What is the pH of the final solution? The Ka of hydrofluoric acid is 6.8 x 10-4.
A buffer solution contains 1.0 M HF and 1.0 M NaF. The ka for HF is 7.2x10-5. 0.10 moles of HCl are added to 1 liter of the buffer. The pH of the resulting solution is a) 4.05 b) 4.14 c) 4.23 d) 4.74