Please explain the hints and solution of the following question

Asked by Vishnusasidharan | 12th Aug, 2010, 05:55: PM

Expert Answer:

Volume of water = 0.18 ml
Assuming density of water = 1g/cm3
 0.18 ml = 0.18 gm
Molar mass of water = 18 gm
Therefore 18 gm= 1mole
0.18 gm= 1X 0.18/18 =.01 mole
1 mole= 6.022 X 1023 molecules
0.01 mole = 6.022 X 1021 molecules

Answered by  | 13th Aug, 2010, 10:21: AM

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