We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
1. Determine the pH of the buffer solution that is prepared by mixing 136 mL of...
A buffer solution is prepared by mixing 23.6 mL of 0.398 M sodium dihydrogen citrate with 36.6 mL of 0.881 M sodium hydrogen citrate A table of pKa values can be found here 1. Calculate the pH (to two decimal places) of this solution Assume the 5% approximation is valid and that the volumes are additive. Submit Answer Tries 0/3 2. Calculate the pH (to two decimal places) of the buffer solution after the addition of 24.9 mL of a...
Calculate the pH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic acid and 25 mL of a 1.0M sodium lactate. (pka of lactic acid = 3.86) Calculate the change in pH that occurs when 0.01moles of OH are added to a 1L buffered solution that contains 0.5M acetic acid (HC_2H_3O_2) and 0.5M acetate ion (C_2H_3O_2). Acetic acid pka = 4.76.
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
Determine the pH (to two decimal places) of a solution prepared by adding 239 mL of 0.750 M sodium dihydrogen citrate (NaC3H5O(COOH)2COO) to 3.99 g of sodium hydrogen citrate (Na2C3H5O(COOH)(COO)2). Assume the volume of the solution does not change and that the 5% approximation is valid. pKa=4.77
A buffer solution is prepared by mixing 15.0 mL of 2.20 M Acetic Acid and 30.0 mL of 1.55 M NaC2H3O2. Determine the pH of the buffer. pKa HC2H3O2 = 4.745 pH:_____
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...
QUESTION 1 Determine the pH (to two decimal places) of a solution prepared by adding 93.9 ml. of 0 271 M formic acid (HCO2H) to 40.3 g of sodium formato (NaCo2H). Assume the volume of the solution does not change and that the 5% approximation is valid The pka of formic acid is 3.75.
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...
A buffer solution was prepared by mixing 540 mL of 0.431 M Naocl and 269 mL of 0.361 M HOCI. Calculate the pH of the buffer given that Ka (HOCI) is 3.2 x 10-8. Provide your answer to two places after the decimal. Your Answer: Answer
A buffer solution is prepared by mixing 78.0 mL of 0.279 M fluorobenzoic acid (C7H5O2F) with 50.0 mL of 0.476 M sodium fluorobenzoate. The pKa of this weak acid is 2.90. What is the pH of the buffer solution? (with correct sig figs)