A gas X diffuse through porous partition at the rate of 3 cm3 per second. Under the same condition hydrogen diffused at the rate of 15 cm3 per second.
What is the 42. relative molecular mass of X.
What is the 42. relative molecular mass of X.
-
A.
5 -
B.
12 -
C.
18 -
D.
45 -
E.
50