Question

Assertion - The number off moles of helium in 52g is 13.
Reason - 1 mole of helium is 4g.
A. Both a and r are true and r is the correct explanation of a
B. Both a and r are true but r is not the correct explanation of a
C. A is true and r is false
D. A Is false and r is true

Please answer...

Answer 1

Answer:

A.both are correct and correct explanation also