no of molecule and moles in 49gm of H2So4
Gram molecular mass of H2SO4 = 98g/mol
Therefore, in 49g, there is 0.5 mol H2SO4.
No of molecules = 3.022 * 10^23 molecules of H2SO4.
If no of atoms is also asked, multiply no of molecules with 7.
Good luck with your answer !
Good luck !