Question

7. Sy of
an unknown gas occuples 5.6
Litres of volume of STP. The
gas may be
(a)No
(b)N²0
(c)Co
(d)Co²​

Answer 1

Step-by-step explanation:

n=?

T=273K

P=1atm

R=0.0821

V=5.6L

PV=nRT

5.6=n*22.4

n=0.25

So if they give weight, given wt. /no. of moles will give molecular weight

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Hope it helps