contains 0.45 moles nitrous acid and 0.35 moles potassium nitrite . If 0.17 moles of hydroiodic acid are added to this system, indicate whether the following statements are true or false. (Assume that the volume
a. A 1.00 liter solution contains 0.45 moles nitrous acid and 0.35 moles potassium nitrite .
If 0.17 moles of hydroiodic acid are added to this system, indicate whether the following statements are true or false.
(Assume that the volume does not change upon the addition of hydroiodic acid.)
A. The number of moles of HNO2 will decrease.
B. The number of moles of NO2- will decrease.
C. The equilibrium concentration of H3O+ will remain the same.
D. The pH will increase.
E. The ratio of [HNO2] / [NO2-] will increase.
b.
A 1.00 liter solution contains 0.38 M ammonia and 0.49 M ammonium bromide.
If 0.120 moles of barium hydroxide are added to this system, indicate whether the following statements are true or false.
(Assume that the volume does not change upon the addition of barium hydroxide.)
A. The number of moles of NH3 will decrease.
B. The number of moles of NH4+ will decrease.
C. The equilibrium concentration of H3O+ will increase.
D. The pH will increase.
E. The ratio of [NH3] / [NH4+] will increase.
c.
If 0.16 moles of perchloric acid are added to this system,
indicate whether the following statements are true or false.
(Assume that the volume does not change upon the addition of perchloric acid.)
A. The number of moles of NH3 will decrease.
B. The number of moles of NH4+ will decrease.
C. The equilibrium concentration of H3O+ will remain the same.
D. The pH will remain the same.
E. The ratio of [NH3] / [NH4+] will decrease.
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