Question: The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is [DCE 2000]
(a) 6.023 x 10¹⁹
(b) 1.084 x 10¹⁸
(c) 4.84 x 10¹⁷
(d) 6.023 x 10²³
Correct Answer: (a) 6.023 x 10¹⁹
Question: The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is [DCE 2000]
(a) 6.023 x 10¹⁹
(b) 1.084 x 10¹⁸
(c) 4.84 x 10¹⁷
(d) 6.023 x 10²³
Correct Answer: (a) 6.023 x 10¹⁹
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