Question

JOTTEK fanzio
Page No.
es
Date
@ what percentage of gas required for
wespiration is present in Bez​

Answer 1

Answer:

Solution:- (C) 3:1

Let x and y be the fraction of

17

35

Cl and

17

37

Cl in

17

35.5

Cl.

Therefore,

Average at. mass =

x+y

x×35+y×37

35.5=

x+y

35x+37y

⇒35.5x+35.5y=35x+37y

⇒35.5x−35x=37y−35.5y

⇒0.5x=1.5y

⇒

y

x

=

0.5

1.5

=

1

3

Hence the ratio of

17

35

Cl and

17

37

Cl in

17

35.5

Cl is 3:1.