Chemistry

Acids and Bases 3

Write complete and balanced equations for each of the following reactions.

1.  HF + KOH H2O + KF

2.  HNO2 + NaOH H2O + NaNO2

3.  HClO3 + Be(OH)2 H2O + Be(ClO3)2

4.  H2SO4 + LiOH H2O + Li2SO4

5.  H3PO4 + Al(OH)3 H2O + AlPO4

6.  HNO3 + Ba(OH)2 H2O + Ba(NO3)2

7.  H2Se + Ca(OH)2 H2O + CaSe

8.  H3PO4 + Mg(OH)2 H2O + Mg3(PO4)2

9.  HNO3 + NH3 H2O + NH4NO3

10.  H2CO3 + NH3 H2O + (NH4)2CO3

Write a balanced equation and then calculate the following titration problems. Show work on a separate sheet of paper.

11.  A 45.0 mL sample of HNO3 is titrated to its end point with 25.2 mL of 2.50 M KOH. What is the concentration of the HNO3? .063M

12.  A 50.0 mL sample of HBr is titrated to its end point with 21.0 mL of 1.50 M NaOH. What is the concentration of the HBr? .63M

13.  What is the molarity of a NaOH solution if 38.0 mL of the solution is titrated to its end point with 14.0 ml of 0.750 M H2SO4? .55M

14.  If 18.6 mL of a Ca(OH)2 solution is completely neutralized by 19.8 mL of 0.0100 M H2SO4, what is the concentration of the calcium hydroxide solution? .0106M

15.  What volume of 0.12 M barium hydroxide is needed to neutralize 12.2 mL of 0.25 M HCl? 12.7ml

16.  Forty-five mL of a cleaner containing potassium hydroxide was neutralized with 32.2 mL of 0.75M HCl. What is the concentration of the KOH in the cleaner? 53.7ml

17.  An ammonia-based cleaner with a volume of 65.5 mL was neutralized with 16.2 mL of 1.20 M of HNO3. What is the molarity of the ammonia in the container? .297M

18.  A cleaner containing sodium hydroxide with a volume of 35.2 mL was neutralized with 25.4 mL of 2.50 M nitrous acid? 1.8M

19.  What is the molarity of 55.3 ml of sulfuric acid when it is titrated to its end point with 122.7 mL of 0.75 M calcium hydroxide? 1.66M

20.  Determine the concentration of 17.2 mL of acetic acid if it is neutralized with 11.5 mL of 2.25 M lithium hydroxide. 1.5M