a. A buffer solution contains 0.387 M hydrocyanic acid and 0.409 M potassium cyanide. If 0.0293 moles of perchloric acid are added to 250. mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding perchloric acid)
a. A buffer solution contains 0.387 M hydrocyanic acid and 0.409 M potassium cyanide.
If 0.0293 moles of perchloric acid are added to 250. mL of this buffer, what is the pH of the resulting solution ?
(Assume that the volume change does not change upon adding perchloric acid)
pH = ?
b.
A buffer solution contains 0.329 M KHSO3 and 0.294 M K2SO3.
If 0.0527 moles of sodium hydroxide are added to 225 mL of this buffer, what is the pH of the resulting solution ?
(Assume that the volume does not change upon adding sodium hydroxide)
pH = ?
c. A buffer solution contains 0.459 M ammonium chloride and 0.396 M ammonia.
If 0.0191 moles of sodium hydroxide are added to 125 mL of this buffer, what is the pH of the resulting solution ?
(Assume that the volume change does not change upon adding sodium hydroxide)
pH = ?
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 3 images
