4. (1 pts) Find conjugate acids to the following bases: (i) sulfite ion, (ii) carbonate ion,...
(4 pts) A pH of 0.002 M solution of monoprotic acid is 3.5. of the acid Find dissociation constant (1 pts) Find conjugate acids to the following bases: (i) sulfite ion, (ii) carbonate ion, and (iii) amide ion 5. (2 pts) Find pH of solution obtained by dissolving 36.5 mg of hydrogen chloride gas in 100 mL of water
1) Compare the conjugate bases of these three acids. Acid 1: hydrosulfuric acid , H2S Acid 2: carbonic acid , H2CO3 Acid 3: hydrogen sulfite , HSO3- What is the formula for the weakest conjugate base ? 2) Compare the conjugate bases of these three acids. Acid 1: hydrofluoric acid , HF Acid 2: sulfurous acid , H2SO3 Acid 3: hydrocyanic acid , HCN What is the formula for the strongest conjugate base ?
. Identify the acids and bases and the conjugate acids and bases in the following reactions: a. HNO3(aq) + NaOH(aq) NaNO:(aq)+ H2O() b. CaCO3(s) + 2HCl(aq)-) CaCl2(aq) + COAg) + H20() c. NHs(aq)+ HCN(aq)NH4CN(aą)
Compare the conjugate bases of these three acids. Acid 1: hydrocyanic acid , HCN Acid 2: sulfurous acid , H2SO3 Acid 3: hydrogen carbonate , HCO3- What is the formula for the strongest conjugate base ?
Designate the conjugate Brønsted-Lowry base for each of the following acids: (i) H2CO3 (ii) HNO3 (iii) H+(aq)
1. Label the acids, bases, conjugate acids, and conjugate bases in the reactions below: a. Na2CO3(aq) + 2 HCl (aq) H2CO, (aq) + 2 NaCl (aq) b. NH” (aq) + CN + NH3 (aq) + HCN (aq) c. Na2HPO4 (aq) + NaOH(aq) - Na PO. (aq) + H20 (1) d. H2O(l) + NaH (s) H2(g) + NaOH(aq) 2. Calculate the pH of the following solutions: a. [H,O') = 4.5 x 10° b. 12 M HCl C. 0.13 M NaOH d....
#4) The following species are amphiprotic. Write the formulas of the corresponding conjugate acids and bases: a) HSe b) PH3 c) HPOd) H,O
-4. Give the formulas of the conjugate acids of the following Bronsted-Lowry bases. NH3; CIO HCO3 02
3. [10 pts) Fill in the blank. a. Acids produce the ion in solution b. Bases produce the ion in solution. c. In acidic solutions, the concentration of is greater than the concentration of d. As pH decreases by one unit, the concentration of acid changes by a factor of 4. [8 pts) Identify whether the following statements are true or false regarding acid rain from air pollution Acid rain is due primarily to increasing concentrations of carbonic acid (H.CO,)...
1. The following bases and their conjugate acids (as the chloride salt) are available in the lab: ammonia (NH3); pyridine (C5H5N); ethylamine (CH3CH2NH2). You need to make a buffer with a pH of 9 with a total concentration of buffering agents is to be 0.5M. Considering this, a) Choose the best acid/base pair b) Give the recipe for preparing 1 L of the solution c) Calculate the pH after adding 0.02 moles of NaOH to 1L of the solution