Question

What is the number of oxygen atoms present in 5 moles
of sulphuric acid (H2SO4)?
a.120.44 x 10^23
b.90.33 x 10^23
c.60.22 x 10^23
d.75.55 x 10^23​

Answer 1

Answer:

a. 120.44*10²³

Explanation:

no. of O atoms

=no.of molecules*total no. of O atoms

=moles*NA*total no. of O atoms

=5*6.022*10²³*4

=20*6.022*10²³

=120.44*10²³

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