Question

how an i find moles of a buffer?

Answer 1

he pKa of acetic acid, CH3COOH, is 4.74. A buffer solution was made using an unspecified amount of acetic acid and 0.30 moles of NaOOCCH3 in enough water to make 2.00 L of solution. The pH of the solution is 4.40. How many moles of CH3COOH were used.

Answer 2

is there a specific equation i can use?