Home NCERT Solutions NCERT Exemplar CBSE Sample Papers NCERT Books Class 12 Class 10
Question 1

A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of boron and 0.144 g of oxygen. Calculate the percentage composition of the compound by weight.

Answer

Mass of Boron  =  0.096 g

Маss of Oxygen = 0.144 g

Mass of sample of compound of oxygen and Boron = 0.24 g 

% of Boron by weight in the compound = 0.096 x 100 / 0.24 = 40%

% of Oxygen by weight in the compound = 0.144 x 100 / 0.24 = 60%

Popular Questions of Class Science

Write a Comment: