The molecular formula of sulphuric acid is H2SO4
i) Calculate its molecular mass.
ii) How many moles are there in 9.8g of H2SO4?
(Given: Atomic mass of Al= 27u, H=lu, S= 32u and O= 16u)
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i)
molecular mass of h2so4 is
1×2+32+16×4
=98
ii)
no. of moles = given mass/molar mass
=9.8/98
=0.1 mole
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