Question

is
(a) 5
(b) 10
(c) 15
(d) 20
11. At STP 2g of helium gas (molar mass = 4)
occupies a volume of
(a) 22.4 dm3
(b) 11.2 dm3
(c) 5.6 dm3
(d) 2 dm3
2. Number of moles of​

Answer 1

Explanation:

my answer:-

11:-(d)_2dm3.