Answer:
The percentage mass of Manganese is 34.76%
Explanation:
The formula of potassium permanganate is KMnO4
Its molar mass is 158.034 g/mol.
The molar mass of Mn is 54.938 g/mol.
Percentage mass of Mn is:
[tex]Mn=\frac{54.938}{158.034}100[/tex]
Mn=34.76%
