Answer:
221.9 mL is the final volume
Explanation:
Let's apply the dilution formula to determine the volume.
Concentrated M . Concentrated volume = Diluted M . diluted volume
5.50 M . 77.9 mL = 1.93 M . diluted volume
(5.50 M . 77.9 mL) / 1.93M = diluted volume → 221.9 mL
