Q.

The mass per cent of different elements present in sodium sulphate, Na2SO4 respectively are

see full answer

Want to Fund your own JEE / NEET / Foundation preparation ??

Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*

An Intiative by Sri Chaitanya

32.37 ; 45.06 and 22.57

22.57 ;32.37 and 45.06

45.06 ; 32.37 and 40.06

32.37 ; 22.57 and 45.06

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Mass per cent of an element = = Mass of that element in the compound Molar mass of the compound ×100 Molar mass of Na2SO4 =(2×22.99)+32.06+(4×16.00) = 142.04 g Mass per cent of sodium =45.98×100142.04=32.37 Mass per cent of sulphur =32.06×100142.04=22.57 Mass per cent of oxygen =64×100142.04=45.06

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET