Mole ConceptHard
Question
If H2SO4 is formed from it′s elements by taking 6.023 × 1023 atom of ′O′ 5.6 litre of H2 gas and 8 gm S then
Options
A.0.125 moles of H2SO4 are formed
B.0.25 moles of H2SO4 are formed
C.no moles of ′S′ are left
D.1/4 mole of O2 is left
Solution
H2 + S + 2O2 → H2SO4
nH2 =
ns = 
nO2 = 
As all reactants are in stoichiometric ratios, none will be left behind.
Hence mole of H2SO4 is formed.
nH2 =
ns = nO2 = As all reactants are in stoichiometric ratios, none will be left behind.
Hence mole of H2SO4 is formed.
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