Question

2,6,7

For which type of titration will the pH be acidic at the equivalence point? 6. Identify the correct conjugate acid-base pairs in the reaction HSO+HF HaSO+ P A) Strong acid vs. strong base, B) Strong acid vs. weak base. C) Strong base vs. weak acid D) None of the above. A) HF/ HSO B) F/HSO C) HSO HaSO D) Not enough information 2. What is the OH ion concentration in a 5.2 x 10 M HNO3 solution? 7. A 0.14 M HNO2 solution is 5.7% ionized. Calculate the H ion concentration A) 1.9 x 10 M B) 1.0 x 107 M C) 5.2 x 10 M D) 1.0 x 10 M A) 8.0 x 103 M B) 0.057 M C) 0.13 M D) 0.14 M KOH solution made by 3. The nH of cnfe-

Answer 1

Answees ③ HNO is strong and so dissociated Completelely, HNO3 Han + Nog er 5.2 % 14 May at 26'6 [H+) Cow-] = 1.0X10-14 -] 1.X 10-14 [OH-] = 1.9 X10 M (4 Acid species which gives HT bare Species which accepts Ht conjegate audi Conjugate buse - base after accepting H+ Acid atley loosing H+ HS05 THE for forward ran base H₂ Soy + Conjugate and F conjugale bare ac! Hsoy Conjugate & H R = H₂SO4 + E- for neverse reaction bara Conjugute Acid acid base To HSO4 l Ho sou /

Inittul Hng T H 4 No 0.1429 En in z 0.19- 2 2 change equilibrium 95% % Ton: zulon = 2 x 100 [HNG] initial 15.7 = X100 0.14 r = 7.98 x 10-3 M CEWE-01X08 an n . Ht] =B : (41] = 8.0 X10-3 14