Answer to Question #71294 in Chemistry for Shasha

Question

. Lee Kwang Soo wants to prepare a buffer with a pH of 5.00.
a) What ratio of CH3COO/CH3COOH does she need?
b) How could she mix 0.100 M CH3COOH and 0.100 M NaCH3COO to make this buffer?
c) How could she make this buffer using 0.100 M CH3COOH and 0.100 M NaOH?
d) Name another buffer system she could use.

Find the pH of the following solutions:
a) 0.010 moles HCl in 10.0 liters water.
b) 6.0 g NaOH dissolved in 15.0 liters water.
c) 5.0 ml 0.40 M HBr diluted to 20.0 liters with water.
d) 0.10 M solution of benzoic acid.
e) 0.20 M NaClO.
f) 0.20 moles HCl plus 0.10 moles KOH dissolved in 1.0 liter water.