Question

A 0.24 g sample of compound of oxygen and boron was found by analysis to contain g of boron and 0.144g of oxygen calculate the percentage compotion of the composition of the compound weight

Answer 1

Answer:

We know that, % of any element in a compound

=mass of element

--------------------------×100

mass of compound



% of boron  = 0.096/0.24 X 100 = 40%

% of oxygen = 0.144/0.24 X 100 = 60%