Question

Ao = Avogadro’s No.
Sulphur atoms present in 200ml of 1N H2SO4?
How many Suplhur atoms?

Answer 1

Answer:Normality =n
t
​
× Molarity

1=2×M

M=
2
1
​
molL
−1
=0.5 M H
2
​
SO
4
​


Moles of H
2
​
SO
4
​
=0.5×0.2=0.1 moles

1 mole H
2
​
SO
4
​
contains 1 mole of sulphur.

Hence, number of moles of the sulphur atom in 0.1 moles H
2
​
SO
4
​
= 0.1 mole of sulphur.

The number of sulphur atoms on 0.1 mole =0.1×A
0
​
×1

=
10
A
0
​

​


Therefore, option C is correct.

Explanation:

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