Chemistry 12

15. The concentration of hydroxide ions in a solution of nitric acid 0.2 M is:
a. 2 x 10-14 M
b. 5 x 10-14 M
c. 5 x 10-7 M
d. 2 x 10-1 M
16. Aqueous solutions of strong acids and strong bases:
a. are good electricity conductors
b. make litmus paper become red
c. have a pH of 7.0
d. react with copper to form hydrogen gas
17. Which of the following can be considered as a Brönsted-Lowry base?
a. Na+
b. HCl
d. Cl-
18. What happens when NH3 bubbles in water?
a. NH3 acts as a base
b. NH3 acts as an acid
c. NH3 does not dissolve in water
d. there is no reaction
19. An aqueous solution of NH3 is:
a. an acidic solution
b. a basic solution
c. a neutral solution
d. an indicator solution
a. What is the pH of a solution of 0.05 M HNO3?
b. What does the pH become if 200 mL of this acid is diluted to 1.0 L?
21. Classify the following solutions in order of increasing pH:
a. 0.01 M NaOH
b. pure water
c. 0.10 M HCl
d. 0.05 M NaOH
e. 0.001 M HCl
22. What is the concentration of H+ in the solutions of pH:
a. 1.4
b. 4.8
c. 13.6
23. What is the pH of a solution which [H+] is:
a. a)4.0 x 10-5 M
b. b)2.5 x 10-6 M
a. How many moles of NaOH must be dissolved in 1.0 L of water in order to get a pH of 12.4?
b. What mass of NaOH does this represent?
25. What is the pH of a solution of 0.1 M silver hydroxide, which is only 10% ionized?

  1. 👍 0
  2. 👎 0
  3. 👁 425

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry(Urgent Please help)

    A student is asked to standardize a solution of barium hydroxide. He weighs out 0.945 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid). It requires 33.9 mL of barium hydroxide to reach the endpoint. A.

  2. chemistry

    which solution has the highest concentration of hydroxide ions? a ph=7.93 b ph=12.59 c ph=7.00 d ph=9.82 e ph=3.21 i know the answer is 7 but why is it seven? would it be different if it said hydronium ions?

  3. Chemistry

    When HCl(aq) is exactly neutralized by NaOH(aq), the hydrogen ion concentration in the resulting mixture is a. always equal than the concentration of the hydroxide ions b.sometimes greater and sometimes less than the concentration

  4. CHEM

    A concentrated weak acid is best described as which of the following? (a) a solution with a high pH (b) a solution where the concentration of undissociated acid particles is high and relative quantity of hydronium ions is low (c)

  1. Chemistry

    About 13% of the acid in a 0.10M solution of a weak acid dissociates to form ions. What is the H3O+ concentration? What is the OH- concentration? What is the pH of the solution?

  2. Chemistry

    A sample of oxalic acid, H2C2O4, is titrated with standard sodium hydroxide, NaOH, solution. A total of 45.2 mL of 0.12 M NaOH is required to completely neutralize 20.0 mL of the acid. What is the concentration of the acid?

  3. chemistry

    A is a solution of trioxonitrate(v) acid, HNO3, of unknown concentration. B is standard solution of sodium hydroxide containing 4.00g per dm3 of solution. 25cm3 portions solution B required an average of 24.00cm3 of solution A for

  4. Chemistry 12

    9. According to Arrhenius, which of the following groups contain: i)only acids ii)only bases a. NaOH, H2CO3, KCl b. MgCl2, H2SO4, HCl c. HNO3, HCl, H3PO4 d. Mg(OH)2, AgBr, HF e. KOH, NH4OH, Ba(OH)2 10. Enough water is added to 100

  1. Chemistry 12

    In s 0.30 mol/L HNO3(aq) solution. a) what is the concentration of nitric acid molecules. b)what is the hydroxide ion concentration?

  2. Integrated Science

    Solution F has a pH of 11, and Solution G has a pH of 13. How does the concentration of hydroxide ions in Solution F differ from Solution G? A).Solution F has 100 times more hydroxide ions than Solution G. B).Solution G has 100

  3. Integrated Science

    According to the Arrhenius model of acids and bases, what happens when an acid is added to water? The acid increases the concentration of hydroxide ions. The acid increases the concentration of hydrogen ions. The acid increases

  4. chemistry

    what are the hydronium-ion and the hydroxide ion concentration of a solution at 25 C that is 0.0050 M strontium hydroxide, Sr(OH)2? a solution of hydrochloric acid is 0.20 M HCl. What is the hydronium-ion at 25 C? What is the

You can view more similar questions or ask a new question.