QUESTION 2
Suppose you have 20 mL of 0.1 M HCl. What will the pH of the solution be after 10 mL of 0.1 M NaOH is added? Report your answer to 2 significant figures (i.e., 2 decimal places).
Suppose you have 20 mL of 0.1 M HCl. What will the pH of the solution be after 30 mL of 0.1 M NaOH is added? Report your answer to 2 significant figures (i.e., 2 decimal places).
QUESTION 2 Suppose you have 20 mL of 0.1 M HCl. What will the pH of...
If 5.0 mL of 0.1 M NaOH is added to 50.0 mL of 0.1 M HCl, what will be the resulting pH of the solution? Round your answer to the tenths place. Do not include units in your response.
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...
1. Using a 0.20 M phosphate buffer with a pH of 6.7, you add 0.79 mL of 0.53 M HCl to 40. mL of the buffer. What is the new pH of the solution? (Enter your answer to three significant figures.) 2. Using a 0.20 M phosphate buffer with a pH of 6.7, you add 0.79 mL of 0.53 M NaOH to 40. mL of the buffer. What is the new pH of the solution? (Enter your answer to three...
1) Using a 0.25 M phosphate buffer with a pH of 7.2, you add 0.79 mL of 0.48 M HCl to 54 mL of the buffer. What is the new pH of the solution? (Enter your answer to three significant figures.) 2) Using a 0.25 M phosphate buffer with a pH of 7.2, you add 0.79 mL of 0.48 M NaOH to 54 mL of the buffer. What is the new pH of the solution? (Enter your answer to three...
Using a 0.25 M phosphate buffer with a pH of 7.2, you add 0.75 mL of 0.55 M HCl to 57 mL of the buffer. What is the new pH of the solution? (Enter your answer to three significant figures.) Using a 0.25 M phosphate buffer with a pH of 7.2, you add 0.75 mL of 0.55 M NaOH to 57 mL of the buffer. What is the new pH of the solution? (Enter your answer to three significant figures.)
Calculate the pH of a mixture, 31.25 mL of 0.225 M NaOH, after 15.00 mL of 0.350M HCl is added to the solution. Write the answer in 4 significant figures.
Calculate the pH after adding 0.5 mL of 0.1 M HCl to 100 mL of a phosphate buffer in which [H2PO, ] = [HPO? 1=0.35 M? What will be the effect on the initial pH? 3 Part I: Preparation of acetate buffer solution (20 points) Solution Initial pH After adding 2 ml HCI After adding 2 ml NaOH Distilled water 7.1 2.2 12.5 Acetate buffer 4.5 4.3 4.7 Determination of K of the buffer solution Calculated Concentration of CH3COOH Calculated...
A 18.3 mL solution of 0.100 mol L-1 HCl is titrated using 0.150 mol L-'NaOH. What is the pH of the solution after 14.4 mL of the NaOH solution is added? 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 A 12.1 ml solution of 0.100 mol L-' HF is titrated using 0.150 mol L- NaOH. What is the...
1- Suppose 15 mL of 0.50 M ammonium chloride are added to the 40.00 mL of 1.0 M ammonia and 15 mL of water. (A) Blank # 1: Calculate the pH of the buffer solution. (B) Blank # 2: Suppose 10.00 mL of 0.10 M NaOH are added to the buffer. Calculate the moles of ammonia remaining in solution. Report your answer using decimal notation (not scientific notation). (C) Blank # 3: Suppose 10.00 mL of 0.10 M NaOH are...
What is the pH of a solution obtained after mixing 20 mL of 0.1 M HI solution with 10 mL of 0.2 M HCl?