A 500 mL buffer solution consists of 0.200 M HNO2 and 0.300 M LiNO2. What volume of 0.400 M HClO4 would exceed the capacity of the buffer to neutralize it? Express your answer in mL to 3 significant figures. V > mL
A 500 mL buffer solution consists of 0.200 M HNO2 and 0.300 M LiNO2. What volume of 0.400 M HClO4 would exceed the capacity of the buffer to neutralize it?
Express your answer in mL to 3 significant figures.
V > mL
----------------
You are asked to prepare a buffer solution with pH 5.10. If you start with a solution containing 10.0 mmol acetic acid (CH3COOH, Ka = 1.8×10-5), how many millimoles of sodium acetate (CH3COONa) must be added to the solution?
Express your answer to three significant figures.
Answer mmol CH3COONa
Part B:
What volume of 0.150 M sodium acetate would be required to get the number of mmol in Part A?
Express your answer to three significant figures.
V = mL
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
