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What is the Co2+ concentration after 50 mL of a 0.030 M Co2+ solution is mixed...
250 mL of 2 M NaCl solution was mixed with 50 mL of 0.5 M NaCl...
250 mL of 2 M NaCl solution was mixed with 50 mL of 0.5 M NaCl solution. What is the concentration of the solution that we will get? If this solution then was diluted with 200 mL of water, what would be the concentration of the final solution?
One drop of 2.5 M KSCN solution is added to 0.5 mL of 0.10 M Fe(NO3)3. After the solution is mixed, 1.0 mL of 0.125 M ED...
One drop of 2.5 M KSCN solution is added to 0.5 mL of 0.10 M Fe(NO3)3. After the solution is mixed, 1.0 mL of 0.125 M EDTA solution is added. Enter the chemical formula of the major iron complex in solution after the addition of EDTA
3. What is the approximate expected pH of a 0.030 M HNO, solution? What is the...
3. What is the approximate expected pH of a 0.030 M HNO, solution? What is the final pH after 1 drop (0.05 mL) of 6 M HCl is added to 1.0 L of freshly prepared pure water that was significant pH change? 4. pH of 7.0. Is there originally at a a What is the molarity of pure water at 20°C? 5. a. b. Does the concentration of water change significantly (from the value in 4-a) when enough acetic acid...
1- 50 ml of a 2 M Na acetate solution is mixed with 100 ml of...
1- 50 ml of a 2 M Na acetate solution is mixed with 100 ml of a 0.1 M of acetic acid solution. Calculate the pH of the buffer. Show your calculation Pk, value of acetic acid = 4.75 (4 points) PH=4.75+ 50x2 - 100 = 10 100001 PH = 4.7 + 10 = 114.75 Describe how you make a 250 ml of a 10% glycine solution (MW=75.07). EXPLAIN the steps that you would take in Lab. 4 points 2-Determine...
1. What volume of 0.10 M NaOH is needed to neutralize 100 mL of 0.050 M...
1. What volume of 0.10 M NaOH is needed to neutralize 100 mL of 0.050 M HCl? 2a. When 100 mL of 0.01 M NaOH solution is mixed with 100 mL of 0.01 M of HNO3 solution, what is the concentration of H+ and the pH in the resulting mixture? 2b. When 100 mL of 0.01 M NaOH solution is mixed with 100 mL of 0.02 M of HCl solution, what is the concentration of H+ and the pH in...
4. 50.0 mL of 0.00200 M Ca2 solution buffer at pH 10.0 is titrated with 0.00200 M EDTA. At equivalence point (i.e. 50.0 mL EDTA has been added), what is the equilibrium concentration of Ca2, [Ca2...
4. 50.0 mL of 0.00200 M Ca2 solution buffer at pH 10.0 is titrated with 0.00200 M EDTA. At equivalence point (i.e. 50.0 mL EDTA has been added), what is the equilibrium concentration of Ca2, [Ca2], and what is the pCa? The formation constant of CaY, Kaa 5.0 x 1010, and α4 of EDTA at pH 10.0 is 0.35
4. 50.0 mL of 0.00200 M Ca2 solution buffer at pH 10.0 is titrated with 0.00200 M EDTA. At equivalence point...
What NaCl concentration results when 229 mL of a 0.730 M NaCl solution is mixed with...
What NaCl concentration results when 229 mL of a 0.730 M NaCl solution is mixed with 672 mL of a 0.300 M NaCl solution? concentration:
QUESTION 7 A 97.5 mL solution is 0.975 M HCl. What is the concentration after 50...
QUESTION 7 A 97.5 mL solution is 0.975 M HCl. What is the concentration after 50 mL of water is added to the solution? Round answer to 3 decimal places and do not include units. QUESTION 8 A 0.07 M HCl solution is used to simulate the acid concentration of the stomach. How many liters of "stomach acid" react with a tablet containing 0.44 g of magnesium hydroxide (58.33 g/mol)? Round answer to two sig figs and do not include...
What NaCl concentration results when 219 mL of a 0.740 M NaCl solution is mixed with...
What NaCl concentration results when 219 mL of a 0.740 M NaCl solution is mixed with 537 mL of a 0.230 M NaCl solution?
When 50ml of 0.10M HCl is mixed with 50 ml of 0.30M NaOH, what is the...
When 50ml of 0.10M HCl is mixed with 50 ml of 0.30M NaOH, what
is the approximate pH of the resulting solution?
When 50 mL of 0.10 M HCI is mixed with 50 mL of 0.30 M NaOH, what is the approximate pH of the resulting solution? (B) 7 (C) 9 (A) 1 E) 13 ** (D) 11 . *
3. What is the approximate expected pH of a 0.030 M HNO, solution? What is the final pH after 1 drop (0.05 mL) of 6 M HCl is added to 1.0 L of freshly prepared pure water that was significant pH change? 4. pH of 7.0. Is there originally at a a What is the molarity of pure water at 20°C? 5. a. b. Does the concentration of water change significantly (from the value in 4-a) when enough acetic acid...
1- 50 ml of a 2 M Na acetate solution is mixed with 100 ml of a 0.1 M of acetic acid solution. Calculate the pH of the buffer. Show your calculation Pk, value of acetic acid = 4.75 (4 points) PH=4.75+ 50x2 - 100 = 10 100001 PH = 4.7 + 10 = 114.75 Describe how you make a 250 ml of a 10% glycine solution (MW=75.07). EXPLAIN the steps that you would take in Lab. 4 points 2-Determine...
4. 50.0 mL of 0.00200 M Ca2 solution buffer at pH 10.0 is titrated with 0.00200 M EDTA. At equivalence point (i.e. 50.0 mL EDTA has been added), what is the equilibrium concentration of Ca2, [Ca2], and what is the pCa? The formation constant of CaY, Kaa 5.0 x 1010, and α4 of EDTA at pH 10.0 is 0.35
4. 50.0 mL of 0.00200 M Ca2 solution buffer at pH 10.0 is titrated with 0.00200 M EDTA. At equivalence point...
QUESTION 7 A 97.5 mL solution is 0.975 M HCl. What is the concentration after 50 mL of water is added to the solution? Round answer to 3 decimal places and do not include units. QUESTION 8 A 0.07 M HCl solution is used to simulate the acid concentration of the stomach. How many liters of "stomach acid" react with a tablet containing 0.44 g of magnesium hydroxide (58.33 g/mol)? Round answer to two sig figs and do not include...
When 50ml of 0.10M HCl is mixed with 50 ml of 0.30M NaOH, what
is the approximate pH of the resulting solution?
When 50 mL of 0.10 M HCI is mixed with 50 mL of 0.30 M NaOH, what is the approximate pH of the resulting solution? (B) 7 (C) 9 (A) 1 E) 13 ** (D) 11 . *
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