1. What wieght of glycine (pka1=2.4, pka2=9.6) and what volume of 0.5 N(normality) HCl would be necessary to make 100 mL of 0.2 M buffer pH 2.4?
2. What weight of glycine and what volume of 0.5 N (normality) NaOH would be necessary to make 100 mL of 0.2 buffer of pH 9.6?