List of all strong acids are:
HCl, HBr, HI, HNO3, HClO3, HClO4, H2SO4
None of HNO2, HF or H2SO3 are strong acids
All of HNO2, HF and H2SO3 are weak acids
Answer: C
Question 3 (2 points) Which of the following is considered a weak acid when dissolved in...
Pyridine is a weak base (C5H5N). Nitrous acid (HNO2) is a weak acid. Which ions are present when HNO2 and C5H5N are dissolved in water? Check all that apply A. H2NO2+ B. NO2- C. NO2+ D. C5H4N- E. C5H5NH+ F. C5H5NH- Pyridine is a weak base (C5H5N). Nitrous acid (HNO2) is a weak acid. Which ions are present when the salt C5H5NHNO2 dissolves in water? Check all that apply A. HNO2 B. C5H5N C. NO2- D. C5H5NH+ E. HNO2+ F....
m Question 30 (3 points) Which one of the following can only be a Brønsted-Lowry acid? Selenous acid H2SO3 is a weak and stable acid, unlike sulfurous acid H2SO3 which is a weak but unstable and decomposes into water H,O and sulfur dioxide gas S02 a) H2SO3 b) HSO3- c) ScO;2-
33. A monoprotic weak acid when dissolved in water is 0.36% dissociated and produces a solution with a pH of 3.10. Calculate the Ka of the acid. SHOW WORK!!! A) 3.6 × 10–3 B) 2.2 × 10–1 C) 2.9 × 10–6 D) Need to know the initial concentration of the acid. E) None of these.
4. Equal moles of the indicated acids are dissolved in the ammon of he acid be beakers below. In which solution will the percent ionization of water shown in the of the acid be the lowest? Op -HC a. All have equal percent ionization of acid. c.Ⅳ e. 5. For a 0.05 M H2SOs solution, which of the following relationships is true? b. [SO327 키HS037 C [HSOs 1> [H2SO3] dHSH) 6. Which of the following reactions is associated with the...
4. When the weak acid HN; (K4 = 1.9 x 10-) is dissolved in water, which species has the largest molar concentration? A OH B. H30+ C. HN3 D. N3
QUESTION 24 Which is a net ionic equation for the neutralization of a strong acid with a strong base? HCl(aq) + NH3(aq) + NH4(aq) + Cl(aq) OB.H30(aq) + OH(aq) + 2 H2O() HF(aq) + NaOH(aq) = H2O()) + NaF(aq) OD. HF(aq) + OH-(aq) = H2000) + F(aq) QUESTION 25 Which of the following Bronsted-Lowry acids behaves as a strong acid when it is dissolved in water? O A HNO2 B. H3PO4 OC.H2504 OD.H2CO3 QUESTION 26 Which one of the following...
Question 2 & 3 please 2. (10 points) A 0.185 M solution of a weak acid HA has a pH of 2.95. What is the acid dissociation constant (Ka) for this acid? (hint: ICE Box and x is small-start by reacting HA with water) (10 points) A solution that is 0.220 M HF and 0.240 M NaF reacts to produce a mixture with what pH? The pKa of HF is 3.20. (hint: ICE Box and x is small-yes you can...
number 3 1 VOIULUI B) solvent C) ion (D) solute E) electrolyte 3) When the weak electrolyte HF is dissolved in water, the solution contains A) nothing B) all H+ and F-ions and no HF molecules C) only F-ions D) mostly HF molecules and a few H+ and F-ions E) all HF molecules 4) Calcium chloride reacts with sodium hydroxide to form solid calcium hydro balanced net ionic equation is_ A) CaCl2(aq) + 2NaOH(aq) - CaOH(s) + NaCl(aq). B) Ca+2(aq)...
11. Which of the following salts is(are) considered acidic when dissolved in water? I. (CH) NH-J'Br II. Na CH COO III. LiCN a. Ionly b. II only c. I and II d. I and III e. II and III
2. Classify the following as strong or weak acids/bases. Write balances equations that describe the dissociation of the compounds in water. a. HF b. NH3 c. NaOH d. C6H5NH2 e. HNO2 f. CH3COOH g. HCI h. H2CO3 3. Please the species in each of the following groups in order of increasing acid strength. a. HIO3, HCIO3, HBrO3 b. HF, HI, HCI c. HOCI, HOI, HOF e. H2O, H2S, H2Se f. HBO, HBrO2, HBrO4, HBrO3