If you wanted to prepare a buffer composed of acetic acid (CH3COOH) and sodium acetate (CH3COONa), how many moles of CH3COONa would be added to 1.0 moles of CH3COOH to get a buffer with a final pH of 4.95?
Hint: For HCOOH, Ka = 1.8 x 10−5
If you wanted to prepare a buffer composed of acetic acid (CH3COOH) and sodium acetate (CH3COONa), how many moles of CH3COONa would be added to 1.0 moles of CH3COOH to get a buffer with a final pH of 4.95?
Hint: For HCOOH, Ka = 1.8 x 10−5
1.6 mol acetate
1.9 mol acetate
0.62 mol acetate
1.3 mol acetate