The oxidation state of Mn2 is 2+
V'=v2-v1=27.6-22.3
density=mass/v'
ps: ml is the same as cubic cm
Answer:
Density = 
Explanation:
Density equals mass divided by volume.
Density often has units of grams per cubic centimeter (g/cm3). Remember, grams is a mass and cubic centimeters is a volume (the same volume as 1 milliliter).