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If the Ka for acetic acid is 1.8x10^-5, what is the Kb for acetate ion? a) 5.6x10^-4 b) 5.6x10^-10 c) 5.6x10^+18 d) 1.8x10^-19
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- (Incorrect) When 0.20 mol of NaOH is added to 0.50 mol of weak acid HX, in a total volume of 1.00 L, the pH of the resultant solution is 6.65. Calculate Ka for HX. 2,2x107 (Your answer) 1.3x10-7 1.5x107 (Correct answer) 9.0×10-8 3.4×10-7If a 0.8M solution of weak acid, HA, has a pH = 2.8, calculate the Ka of the acid. answer should follow the format: a) [H+] in the solution b) [A-] in the solution c) Ka of HADetermine the Ka for an acid, HA, if a 0.50 M solution has a pH of 4.5. (Input answer in exponential form using E to represent x10. For example 6.0E-4 would be 6.0 x 10-4)
- Q4// Calculate the molar concentration for acetic acid that ionized at 2.5%, ka=1 xIO-5da Ph 0The pH of a chemical solution is given by the formula pH = - log 10 H*], where H is the concentration of hydrogen ions in moles per liter. Values of pH range from 0 (acidic) to 14 (alkaline). Answer parts (a) through (f). (a) What is the pH of a solution for which H* is 0.001? pH = (Type an integer or a decimal.) %3D (b) What is the pH of a solution for which H is 0.0001? pH = (Type an integer or a decimal.) (c) What is the pH of a solution for which H is 0.00001? pH = (Type an integer or a decimal.) (d) What happens to pH as the hydrogen ion concentration decreases? O pH decreases O pH increases (e) Determine the hvdrogen ion concentration of a solution with pH = 3.4.
- 1)Why the PH start from 0 to 14 ? 2) why PH =14Using the data table write th formula of the conjugate base that has the weakest base? Acid 1)HOAc Ka=1.8x10-5 2) HCHO2 Ka=1.8x10-4 3) HCIO Ka=3.0x10-8 4) HF Ka= 6.8x10-4What is the pH of a solution that is 0.811 M in hydrosulfuric acid (H₂S)? Ka1 = 8.9 x 10-8 and Ka2 = 1 x 10-19. (Two decimal places) Type your answer...
- calculate the pH of 20.00mL of a solution of acetic acid, HC2H3O2 0.105M with NaOH 0.105 M. For acetic acid, Ka = 1.8x 10 ^ -5 a) initial pHb) After adding 5.00 mL of NaOHc) After adding 6.00mL of NaOH please give me step-by-step solution and circle answer pleaseWhat is pH of a solution consisting of 1.05 M NH3 and 0.98 M NH4NO3? Ka of NH4 + is 5.8 x 10-10 Group of answer choices 7.00 9.06 4.73 9.27A 0.013 M solution of a weak acid (HA) has a pH of 4.79. What is the Ka of the acid? Answer in scientific notation.