QUESTION 15 Which of the following titrations could the following curve describe? Vobame Added . HNO3...
please answer both questions QUESTION 14 What is the pOH of a 0.0036 M Ba(OH)2 solution? a. 11.86 Ob. 2.14 C. 11.56 d. 2.44 .9.07 QUESTION 15 Which of the following titrations could the following curve describe? pH Volame Added a. HNO3 added to KOH b. NaOH added to CH3COOH KOH added to HNO3 d. CH3COOH added to aqueous KOH HCI added to aqueous NH3
In which of the following titrations would the solution be neutral at the equivalence point? Select one: a. NH3 titrated with HCl b. Sr(OH)2 titrated with H3PO4 c. HOCl titrated with Ba(OH)2 d. CH3COOH titrated with NaOH e. HClO4 titrated with KOH
Which one of the following titrations will have an equivalence point with a pH of 7? options: HNO3 with KOH NaC2H3O2 with RbOH HF with NaOH none of these HCl with NH3
In which of the following titrations would the solution be neutral at the equivalence point? [Hint: For a neutral equivalence point, we need both a strong acid and a strong base as analyte and titrant, respectively.] HOCl titrated with Ba(OH)2 CH3COOH titrated with NaOH HClO4 titrated with KOH Sr(OH)2 titrated with H3PO4 NH3 titrated with HCl
Which of the following make good standard solutions for acid-base neutralization titrations? NaOH sulfurous acid hydrochloric acid HNO3 CH3COOH concentrated NH3 H2SO4
Which of the following could produce a buffer when added in appropriate amount to a 0.1 M solution of NH3? NH3 HCl NaOH NaCl NH4Br a. HCl only b. NH4 only c. NH4Cl or NaCl d. NH4Cl or HCl e. NaOH only
34. Aryl diazonium ions are formed from anilines reacted with: A. HNO3 B. HNO3, H2SO4 C. H2NNH2, KOH D. NaNO2, HCI 35. Starting with phthalic anhydride, which other reagents are needed for the Gabriel amine synthesis?: ? A. NH3, A/KOH, 1-pentyl-Br /H2NNH2 NH2 B. KOH, NH3 / LDA, 1-pentanol / NaOH C. NBS, Brą, A/HCI, pentanamide / NaNO2, HCI D. NH3, HCl NaH, 1-pentyl-CI 7 KCN
1. Consider the titration of 50.0 mL of 0.200 M HNO3 with 0.100 M NaOH solution. What volume of NaOH is required to reach the equivalence point in the titration? a. 25.0 mL b. 50.0 mL c. 1.00 × 10^2 mL d. 1.50 × 10^2 mL 2. Consider the following acid–base titrations: I) 50 mL of 0.1 M HCl is titrated with 0.2 M KOH. II) 50 mL of 0.1 M CH3COOH is titrated with 0.2 M KOH. Which statement...
Which of the following pairs of aqueous solutions will react when mixed? A) K2CO3 + HNO3 B) MgCl2 + KOH C) HCl + LiOH D) Li2S + HCl E) All of these solution pairs will produce reactions.
Titrations Part A A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 19.0 mL of HNO3. Express your answer numerically. Part B A 52.0-mL volume of 0.35 M CH3COOH (Ka=1.8×10−5) is titrated with 0.40 M NaOH. Calculate the pH after the addition of 23.0 mL of NaOH. Express your answer numerically.