calculate the no of particles in 1.9g of 2nso4. calculate the number of atom presentimg one gram of oxygen.
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Is it H2SO4 then ,
No. of Particles = mass / molar mass× avagadro no.
No. of particles= 1.167× 10^22
No. of atoms of oxygen = 1/16×6.023×10^23
=3.76×10^22
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