Q.

One mole of oxygen (O2) is present in the following mass of sulphuric acid

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a

98g

b

24.5g

c

196g

d

49g

answer is D.

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Detailed Solution

Formula of Sulphuric acid is H2SO4

1 mole of H2SO4 = 98g

98g of H2SO4 contain 2 moles of Oxygen

'Xgm ' of H2SO4 contain 1 mole of Oxygen

X =982=49 gr

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