At S. T. P how many litres of hydrogen can be obtained from the reaction of 500 cm3 of 0.5 M H 2SO 4 with excess zinc metal?
(Gram molecular volume of H2 = 22. 4 dm 3)
(Gram molecular volume of H2 = 22. 4 dm 3)
-
A.
22.4 dm 3 -
B.
11 . 2 dm 3 -
C.
6. 5 dm 3 -
D.
5. 6 dm 3 -
E.
0. 00 dm 3