8). When you measured the pH of an aqueous 0.1 M NH,CI in the lab, the pH is 5.1. Why is the solution acidic? Or Which reaction is the one that causes the acidity? а. NH (aq) + Н.О() b. Cl (aq) + H2O(I) c. Cl aq) + H2O(1) d. NH,* (aq) + H2O(1) NH3(aq) + H;0*(aq) HCI(aq) + OH(aq) HCI(aq) + H3O*(aq) NH2"(aq) + ОН (аq)

Chemistry 2, Question2

33. Which set represents a conjugate acid/base pair? (A) H₂PO. and HPO (C) H₂PO and H₂PO 34. For the reaction: NH:(aq) +N_Hs (aq) = NH(aq) +NzH, (aq) Which statement is true? (B) H₂PO and H₂PO, (D) H3PO, and Na3PO4 (A) N₂Hs (aq) is a Brønsted-Lowry acid and a Lewis acid. Brønsted-Lowry acid and a Lewis Brønsted-Lowry base and a Lewis (D) N₂Hs (aq) is a Brønsted-Lowry base and a Lewis base. (B) N₂H, (aq) is a base. (C) N₂H, (aq) is a acid.

I need help with this ICE table please and understanding #2

8. A student makes a diagram Base to show neutralization. Acid i. Find any error(s) in his PH = 4 PH = 7 diagram. li. Give reason and fix the mistake. PH = 11 lii. Fill the name of products of this reaction in yellow box in the bottom Products:

What is the base in the following reaction: HCI (aq) + H2O (1) --> Cl* (aq) + H3O* (aq)? a. Cl- b. H20 Oc. H3O* С.

3. The [OH] of a solution is 5x10(-6) M. What is the pH? O 6.7 8.3 8.7 O 6.3 4. If I have a solution that

A 4.28⋅10^−2 M solution of HBr is made. (answer each part) part A: What is the pH of this solution?   part B: What is the pOH of this solution?   part C: What is the [OH-] in the solution?  Record this answer in scientific notation using 3 sig figs.

A 4.28⋅10^−2 M solution of KOH is made. (answer each part) part a: What is the pOH of this solution?   part b: What is the pH of this solution?   part c: What is the [H+] in the solution?  Record this answer in scientific notation using 3 sig figs.

The pH of a solution is 5.689 of HBr acid. a.) What is the hydrogen concentration of the acid.       b.) Assume the volume of the HBr solution is 0.00352kiloLites. What are the number of moles of the H+ ion (HBr).