Question

calculate no of moles in0.98g H2SO4​

Answer 1

Explanation:

Mass of H2SO4 = 2(1) + 1(32) + 4(16)

= 2 + 32 + 64

= 98 g

No of moles = Given mass / Mass of the molecule

= 0.98 / 98

=10^-2 moles

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Answer 2

Molar mass of H2SO4 = 2+32+64= 98g/mol

Given mass = 0.98g

Molar mass :- mass of the one mole of the substance .

Molar mass = mass/no.of moles

No. Of moles = mass/molar mass

No of moles = 0.98/98

No.of moles =0. 1 mol