total number of atoms present in 0.49g of sulphuric acid
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Answer:
0.49= 100/49 = 490...
therefore,
1 mole of H2SO4= 7 atoms....
molecular mass of H2 S o4= ( atomic mass of H) ×2+( atomic mass of s ) ×1 ( atomic mass of O ) × 4 ...
molecular mass of H2SO4= (1×2)+(32×1)+(16×4).=2+32+16=98....
mass of H2SO4 in g / molecular mass of H2SO4 =49/98=1/2=0.5.....
0.5 g of mole consists......
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