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
Answer: A few strong nations held economic and political power in the global world
Explanation:
Density = mass / volume
mass = 44 g
volume = 9 cm³
Density = 44 g / 9 cm³ ≈ 4.9 ≈ 5 g/cm³
Answer:
Because the people are to lazy and don't feel like giving away points and the joy of being marked brainliest