Answer to Question #113612 in General Chemistry for fatima benamar

Question

How many moles are in 12.3 g of lead (IV) oxide (PbO2)?

Answer 1

M(PbO₂)= 239.2 g/mol;

n=m/M;

n=(12.3 g)/(239.2 g/mol)=0.051 moles;

Answer: 0.051 moles