58.7 %
Please correct me if I’m wrong. :)
The second one, I could be mistaken though
From the equation;
4 Al + 3 O2 = 2 Al2O3
The mole ratio of Oxygen is to Aluminium hydroxide is 3:2.
Therefore; moles of Al2O3 is
(0.5/3 )× 2 = 0.333 moles
Therefore; The moles of aluminium oxide will be 0.333 moles
Both AM and FM radio signals have the same frequencies at times.
