If 100. mL of 0.040 M NaOH solution is added to 100. mL of solution which...
- NaOH is slowly added to a 0.000010 M of Al(NO3)3 solution until it causes the precipitation of the Aluminum hydroxide [ Ksp for Al(OH)3 = 6.3 x 10-38). Calculate the pH at the onset of precipitation of this metal hydroxide.
1.Solid sodium sulfide is slowly added to 125 mL of a 0.0450 M silver nitrate solution. The concentration of sulfide ion required to just initiate precipitation is M. 2.Solid barium acetate is slowly added to 50.0 mL of a 0.0522 M ammonium sulfite solution. The concentration of barium ion required to just initiate precipitation is M. 3.Solid potassium hydroxide is slowly added to 150 mL of a 0.0329 M iron(III) nitrate solution. The concentration of hydroxide ion required to just initiate precipitation...
1.Solid ammonium sulfide is slowly added to 150 mL of a 0.0663 M zinc nitrate solution. The concentration of sulfide ion required to just initiate precipitation is M. 2.Solid nickel(II) nitrate is slowly added to 175 mL of a 0.0655 M sodium sulfide solution. The concentration of nickel ion required to just initiate precipitation is M. 3.Solid sodium sulfate is slowly added to 175 mL of a 0.0515 M lead nitrate solution. The concentration of sulfate ion required to just initiate precipitation...
Which of the following will exhibit the greatest change in PH when 1.0 mL of 1.5 m NaOH is added to it? Explain How Buffers Work Question Which of the following will exhibit the greatest change in pH when 1.0 mL of 1.5 M NaOH is added to it? Select the correct answer below: O 50 mL of a buffer solution that is 0.20 M in CH,COOH and 0.20 M in NaCH,coo O 100 ml. of a buffer solution that...
Solid ammonium phosphate is slowly added to 50.0 mL of a 0.0482 M barium nitrate solution. The concentration of phosphate ion required to just initiate precipitation is M Solid potassium chromate is slowly added to 125 mL of a 0.0485 M barium acetate solution. The concentration of chromate ion required to just initiate precipitation is М.
6. A student titrated 50.0 mL of the 0.10 M unknown diprotic H2A with 0. 10 M NAOH. After 25.0 mL of NaOH was added, the pH of the resulting solution was 6.70. After 50.0 mL of NaOH was added, the pH of the solution was 8.00. What are the values of Ka1 and Ka2? 6. A student titrated 50.0 mL of the 0.10 M unknown diprotic H2A with 0. 10 M NAOH. After 25.0 mL of NaOH was added,...
Calculate the pH of a solution after 40.0 mL of 0.150 M NaOH has been added to 50.0 mL of 0.250 M HF. Ka for HF = 6.6 x 10-4 a. 12.00 b. 7.56 C. 4.74 d. 3.15 O e. 1.12
4. (3 pts) If 2.55 g of NaOH were added to a 100.0 mL solution containing 0.10 M Ca(NO3)2, what (Ca?') remains in solution? Is there complete precipitation of Ca(OH)2?
If 100. mL of 0.100 M NaOH is added to 50. mL of 0.10 M HCl, what will be the pH at 25∘C? Round your answer to two decimal places.
A solution prepared by mixing 100 mL of 0.10 M NaOH 140 mL of 0.10 M HCl 100 mL of 0.10 M NH3 has a pH of: Kb (NH3) = 1.8 x 10-5 A. 9.08 B. 4.57 C. 7.00 D. 4.92 E. 9.43