Total number of atoms present in 9.8 g h2so4
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Explanation:
Given Mass=9.8g
Molar Mass (H2SO4)=98g
No. of moles=9.8/98=0.1
No. of molecules of H2SO4=0.1NA molecules
No. of H atoms in 1 Molecule of H2SO4=2
No. of S atoms in 1 Molecule of H2SO4=1
No. of O atoms in 1 Molecule of H2SO4=4
No. of atoms of H=2*0.1*NA=0.2NA
No. of atoms of S=0.1NA
No. of O atoms =0.4NA
Hope that helps.
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