A 26.1 mL sample of 0.316 Methylamine,C2H5NH2, istitrated with 0.249 M hydroiodicacid.
After adding 12.4 mL of hydroiodicacid, the pH is______ .
B.A 21.5 mL sample of 0.261 Methylamine,C2H5NH2, istitrated with 0.210 M hydrobromicacid.
After adding 39.0 mL of hydrobromicacid, the pH is ______