The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is
1.568 x 10^3
6.023 x 10^19
4.84 x 10^17
6.023 x 10^23
Option B
The number of water molecules present in a drop of water (volume = 0.0018mL) at room temperature are 6.023×1019.
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