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![What are the [H3O*] and [OH] concentrations respectively in a 0.200 M aqueous Hal solution? Kw= 1x10-14
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7x10^-7 M, 7x10^-7 M
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1x10^-7 М, 1х10^-7 М
C 5x10^-14 M, 0.200 M
D
0.200 M, 5x10^-14 M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f73dec8-7084-4206-8818-84dab2c6236c%2F7fb92a4e-24e8-420e-892d-8d9a5c9c5271%2Fu6drqt_processed.png&w=3840&q=75)
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- Part B Calculate the concentrations of HF, OH, and H₂O* in a 0.18 M KF solution (for which K. (HF) = 6.8 x 10-4). Express your answer in moles per liter to two significant figures. Enter your answers numerically separated by commas. 195] ΑΣΦ [HF). [OH], [H₂O*] = ? M >Using the constant below, calculate the molar concentration (M) of acid H3O* in solution if the concentration of OH- is 3.4 x 10-5. Kw = 1.0 × 10-14 M²= [H3O*][OH]. %3D O a) 2.9 x 10-10 O b) 2.0 x 10-10 O) 3,4 x 109 d) 2.4 x 10-10 e) 3.4 x 109101 Chem101 M Topic: Chem-101 Homework Que X O CHM-200 Plop Plop Fizz Fizz Ta b My Tutoring | bartleby + А app.101edu.co Question 35 of 35 Submit How many milliliters of 0.0200 M Ca(OH),are required to neutralize 91.8 mL of 0.0300 M HCI? mL 1 2 4 7 9. +/- х 100
- Please answer 5, 6 and 7. Options for 5a and 5b (2.37M, 1.0M, 2.3x10^-12M, and 4.3x10^-3M) 5 6 The initial concentration of an acetic acid solution is 1.0 M and has a pH of 2.37. CH3COOH H+ + CH3COO- (a) What is the hydrogen ion concentration in that solution? choose your answer... (b) Which value is closest to the acetic acid concentration at equilibrium? choose your answer... The pH of a 1.0 M organic acid HA was measured to be 2.04. Find the Ka of this organic acid. ☆ In an experiment, 30.00 mL of H3PO4 was titrated by a 0.1005 M NaOH solution. It took 27.16 mL of the NaOH solution to reach the 2nd equivalence point of the titration. a) Write the balance action equation that represents the reaction at the 2nd equivalence point. b) Find the moles of NaOH added and the moles of H3PO4 titrated at the 2nd equivalence point. c) Find the molarity of the H3PO4 solution.The triprotic acid H, A has ionization constants of Ka = 2.17 x 10-, Ka = 4.81 x 10-, and Kg = 1.51 x 10-12. [H, A TH,A] Calculate the H* concentration and the ratio for a 0.0190 M solution of NaH, A. [H*] = * TOOLS x10 [H,A| (H, AJ (HA? | Calculate the H concentration and the ratio [H, AI for a 0.0190 M solution of Na, HA. [H*1 = M.Lab 6 A solution has (OH concentration equal to 4.78 x 101 What is the pH? Please put answer in box with one past decimal Type your answer. Lab6 A0.100 molar solution of weak acid HA has pH of 2.174 What is pka? 4 Hint, find Hfrom pH and plug it into into ICE asx HA (+HO p.100 M 7. 0.100 - solve for Ka then pka Please put answer in box with with 2 past decimal
- What are the [H3O+] and [OH-] concentrations respectively in a 0.200 M aqueous Hal solution? Kw= 1x10-14 1x10^-7 M, 1x10^-7 M 5x10^-14 M, 0.200 M 7x10^-7 M, 7x10^-7 M 0.200 M, 5x10^-14 M100 mL of 0.10 M NH3 (Kb = 1.8 x 10-5) are mixed with 100 mL of 0.10 M HCN (Ka = 4.9 × 10-10). Which statement is true? (3) The resulting solution is neutral O (2) The resulting solution is basic O (4) No answer is correct as not enough information is given. O (1) The resulting solution is acidic E D Moving to the next question prevents changes to this answer. 4 R F % S T G 6. & 7 H C 8 00 K M Question 2 of 37How many milliliters of water have to be added to 122.5 mL of 0.50 M HCl to reduce the concentration to 0.10 M HCI? Vwater mL %3D eTextbook and Media Hint Save for Later Attempts: 3 of 15 used Submit Ans ост 14 tv MacBook Air 80 888 DD F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 @ 23 2$ 4 7 OC
- What is [H3O+] in a solution of 0.075 M HNO2 and 0.030 M NaNO2? Kb=4.5 * 10-5S20 Ch17 Sec5-6 17 Multiple Choice Question 39 Part A Determine the [H3O+] concentration for a 0.200 M solution of HCI. 4.00 x 10-1 M 1.00 x 10-1 M 1.25 x 1014 M 2.50 x 10-14 M 2.00 x 101 M Submit Request Answer Provide FeedbackIn a 0.09 M solution of chlorous acid, what percentage of the acid is ionized to the chlorous anion, ClO2-? Ka = 1.1 x 10-2 include 3 significant figures in your answer