Last Activity: 5 Years ago
dear studentthe correct answer is(C)Molecular weight of BaSO4 = 233.43Percentage composition by mass of oxygen = 4 *16 *100/233.43 = 27.4%
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Get your questions answered by the expert for free
Last Activity: 2 Year ago(s)
Last Activity: 3 Year ago(s)