Question

MOlecules in 24.5gram of h2so4

Answer 1

Answer:(1.5)(10 to the power 23)

Answer 2

Answer:

No. of molecules of H2SO4 is 1.50×10^23.

Explanation:

No.of moles=Given mass/Molar mass.

No.of moles of H2SO4=24.5/98......(Molar mass of H2SO4 is 98g)

Thus,no. of moles of H2SO4=0.25.

No. of molecules=No. of moles ×NA(Avagadro's number).

No. of molecules of H2SO4=0.25×6.022×10^23=1.5055×10^23

Thus,no. of molecules of H2SO4 is 1.50×10^23.

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