Question

28.
The number of water molecules present in a
drop of water (volume 0.0018 ml) at room tem-
perature is
(1) 6.023 x 1019 (2) 1.084 x 1078
(3) 4.84 x 1017 (4) 19.7 kg of gold​

Answer 1

Your correct answer is 3

Answer 2

Explanation:

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