Respuesta :

shathragna
Answer for Q-2: it's option C i.e, both are correct! see, d=m/v

=>m=18.

no. of moles =m/M.Wt of the substance

so, no. of moles will be 18/18= 1! opt. A is correct

and now, number of molecules = number of moles × Avogadro's number

which is 1× 6.023 ×10^23 so opt. B is also correct

which means OPTION C IS THE CORRECT ANSWER!


Answer for Q-3: 1+35.5=36.5. so option B is the correct answer!

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