-DJI -AX7 24- To a 50 ml- of 0-05M formic acid how much volume of 0-10M sodium formate must be added to get a buffer solution of pH - 4-0 - -pKa fo the acid is 3-7- -B- 4 ml -A- 50 ml -C- 39-6 ml -D- 100 ml- of H-

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(DJI (AX<7 (B) >7 24. To a 50 ml. of 0.05M formic acid how much volume of 0.10M sodium formate must be added to get a buffer solution of pH = 4.0 ? (pKa fo the acid is 3.7) (B) 4 ml (A) 50 ml (C) 39.6 ml (D) 100 ml. of H.