Question: A 1.00 liter solution contains 0.30 M ammonia and 0.39 M ammonium bromide . If 0.098 moles of barium hydroxide are added to this system,

A 1.00 liter solution contains 0.30 M ammonia and 0.39 M ammonium bromide.

If 0.098 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 remain the same.

B. The number of moles of NH4+ will decrease.

C. The equilibrium concentration of H3O+ will decrease.

D. The pH will increase.

E. The ratio of [NH3] / [NH4+] will remain the same.

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