Question

Ordinary water contains one part of heavy water per 6000 parts by weight. The number of
heavy water molecules present in a drop of water of volume 0.01mL is (density of water is
Ig/mL)
1) 2.5x1016
2) 5x1017
3) 5x1016
4) 7.5x1016​

Answer 1

Answer:

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Explanation:

The number of heavy water molecules present in drop of water of volume 0.01 ml is (Density of water is 1gm/ml). 1 gram of heavy water in 6000 gram of ordinary water. If 6000g of ordinary water contains 1g of heavy water. Now, 1 mole of heavy water contains 6.022 × 10^23 molecules of heavy water.