कैलकुलेट द नंबर ऑफ मॉल इन 36 ग्राम ऑफ वाटर (H2O). (H=1u,O=16u)
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2 moles
Molecular wt of H2O = 1+1+16 = 18 gm
No. of Moles = Given wt./ molecular wt.
= 36/18 =2 moles
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