Calculate the mass of 0.5 mole of sulphuric acid (H2SO4). (Given atomic mass of H = 1 u, C = 12 u, O = 16 u, Na = 23u, S = 32 u, Ca = 40u)
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Molecular mass of H²SO⁴
=(1×2+32+4×16)u
=(64+2+32)u=98g
No.of moles=given mass/molecular mass
0.5= required mass of H²SO⁴/98
required mass of H²SO⁴=49 g
Mass of H²SO⁴=49 g Ans
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