Answer:
farms
Explanation:
1 mol KMnO₄ contains 4 mol O, which has a molar mass of about 15.999 g/mol. Then the mass of O in the sample is
(4 mol) (15.999 g/mol) ≈ 63.996 g
B: 64 cm
On Edgenu!ty 2021
Hope this helps!!! :)))