You have stocks of 4 M _______ acid and 2 M NaOH. You mix 10 mL...
You have stocks of 4 M _______ acid and 2 M NaOH. You mix 10 mL of acid stock with 100 mL of NaOH stock and adjust volume to 500 mL. The resulting pH is 13.5. The acid was?
a. weak
b. strong
c. neutral
d. oxidixing
e. reducing
Homework Answers
If you mix 100.0 mL of 0.125 M HCl (strong acid) with 50.0 mL of 0.175...
If you mix 100.0 mL of 0.125 M HCl (strong acid) with 50.0 mL of 0.175 M NaOH (strong base) what will be the pH of the resulting solution? Have you reached the endpoint of the reaction (circle your answer)? YES NO Explain your answer:
Acid-base titrations. You have 60.0 mL of a weak base (0.0305 M) and titrate it with...
Acid-base titrations. You have 60.0 mL of a weak base (0.0305 M) and titrate it with a strong acid (0.0500M). pKa of the weak conjugate acid is 4.36. a) What is the pH before the acid is added? b) What volume of the acid is needed at the equivalence point (in mL)? c) What is the pH at the equivalence point? d) What is the pH after 5.00 mL of the acid is added beyond the equivalence point?
A volume of 500.0 mL of 0.160 M NaOH is added to 575 mL of 0.200...
A volume of 500.0 mL of 0.160 M NaOH is added to 575 mL of 0.200 M weak acid (K, the resulting buffer? 5.93 x 10). What is the pH of HA (aq) +OH (aq)HO) + A (aq) pH = QuestronT orA Calculate the pH of the resulting solution if 35.0 mL of 0.350 M HCl(aq) is added to 45.0 mL of 0.350 M NaOH(aq). pH Calculate the pH of the resulting solution if 35.0 mL of 0.350 M HCI(aq)...
A volume of 500.0 mL of 0.150 M NaOH is added to 615 mL of 0.250...
A volume of 500.0 mL of 0.150 M NaOH is added to 615 mL of 0.250 M weak acid (Kg = 4.65 x 10-'). What is the pH of the resulting buffer? HA(aq) + OH(aq) — H,O(l) + A (aq) pH If a buffer solution is 0.230 M in a weak acid (K, = 9.0 x 10-) and 0.460 M in its conjugate base, what is the pH? pH =
500.0 mL of 0.170 M NaOH is added to 615 mL of 0.250 M weak acid...
500.0 mL of 0.170 M NaOH is added to 615 mL of 0.250 M weak acid (Ka = 1.08 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.140 M NaOH is added to 535 mL of 0.250 M weak acid...
500.0 mL of 0.140 M NaOH is added to 535 mL of 0.250 M weak acid (Ka = 4.06 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.100 M NaOH is added to 535 mL of 0.250 M weak acid...
500.0 mL of 0.100 M NaOH is added to 535 mL of 0.250 M weak acid (Ka = 7.69 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.130 M NaOH is added to 555 mL of 0.200 M weak acid...
500.0 mL of 0.130 M NaOH is added to 555 mL of 0.200 M weak acid (Ka = 7.11 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.150 M NaOH is added to 555 mL of 0.200 M weak acid...
500.0 mL of 0.150 M NaOH is added to 555 mL of 0.200 M weak acid (Ka = 6.24 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.120 M NaOH is added to 605 mL of 0.200 M weak acid...
500.0 mL of 0.120 M NaOH is added to 605 mL of 0.200 M weak acid (Ka = 7.26 × 10-5). What is the pH of the resulting buffer?
A volume of 500.0 mL of 0.160 M NaOH is added to 575 mL of 0.200 M weak acid (K, the resulting buffer? 5.93 x 10). What is the pH of HA (aq) +OH (aq)HO) + A (aq) pH = QuestronT orA Calculate the pH of the resulting solution if 35.0 mL of 0.350 M HCl(aq) is added to 45.0 mL of 0.350 M NaOH(aq). pH Calculate the pH of the resulting solution if 35.0 mL of 0.350 M HCI(aq)...
A volume of 500.0 mL of 0.150 M NaOH is added to 615 mL of 0.250 M weak acid (Kg = 4.65 x 10-'). What is the pH of the resulting buffer? HA(aq) + OH(aq) — H,O(l) + A (aq) pH If a buffer solution is 0.230 M in a weak acid (K, = 9.0 x 10-) and 0.460 M in its conjugate base, what is the pH? pH =
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