2. (5 pts) Find pH of a solution prepared by mixing 45 mL of 0.1 M...
What is the pH of a buffer prepared by mixing 20.00 mL of 0.0300 M ammonium chloride with 40.00 mL of 0.0450 M ammonia? What is the resulting pH if 1.00 mL of 0.10 M HCl is added to this solution?
(5 pts) Find pH of a solution obtained by mixing 50.0 mL of 0.2 M acetic acid with 20.0 mL of 0.4 M sodium hydroxide. Acid dissociation constant of acetic acid is 1.8x10
Consider a buffer prepared by mixing 75ml of 0.03640 M ammonia (NH3) solution with 28ml of 0.02454 M ammonium chloride solution (pKb of ammonia is 4.75) 5. If you added 1 mL of 0.2550 M NaOH to 103 mL of pure water, what would the pH be?
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...
Consider a buffer prepared by mixing 75ml of 0.03640 M ammonia (NH3) solution with 28ml of 0.02454 M ammonium chloride solution (pKb of ammonia is 4.75) 1. What will the pH be? 2. If you add 1 mL of 0.1780 M HCl, what will the new pH be?
4) A buffer solution is prepared by dissolving 5.40 g of ammonium chloride in 20.0 mL of water a mixing it with 35.0 mL of 10.0 Mammonia. Ky for ammonia is 1.8x10° a) What is the pH of this buffer solution b) This buffer solution is diluted with water to volume of 100.0 mL and 5.00 mL of 0.500 M HCl are added to the 100.0 mL of buffer. What is the expected pH of the buffer solution after the...
Calculate (show calculation) the pH of a solution prepared by mixing 100 ml of 0.1 M formic acid and 5.0 ml 1N NaOH, pKa = 3.65? The answer is pH 3.65, show the calculation.
What is the pH of a solution prepared by mixing 68.4 mL of 1.09 M H3PO4 and 1.1 L of 0.1 M LiOH?
What is the pH of a buffer solution prepared by mixing 30.0 mL of 0.10 M of HOAC and 40.0 mL of a 0.1 M NaOAc Pka of the acid is 4.74
ANS:. . 4 3-What is the pH of a solution prepared by mixing 50 mL of 0.02 19 M ammonium chloride with 50 mL of 0.0292 M ammoni Report your answer to three decimal places ANS:. 4- Calculate the pH if you add 1 ml of 0.01 M HCI to the buffer from question #3. Repost you answer to three decimal places. ANS:.. 5-Calculate the pH if you added 1 mL of 0.01 M NaOH to the buffer from question...