Vickyarroyo7219go Vickyarroyo7219go Chemistry Answered What volume of 0.436 M barium nitrate solution is needed to prepare 240.0 mL of a barium nitrate solution that is 0.300 M in nitrate ion? a. 349 mL b. 82.6 mL c. 55.0 mL d. 165 mL e. 330. mL