Calculate the vapour pressure of a spherical droplet of water of radius 15.0 nm at 20.0°C. The vapour pressure of bulk water at that temperature is 2.30 kPa, its surface tension is 72.75 mN m¹ and its density is 998.2 kg m ³. -1 -3 Select one: 2.38 kPa 2.16 kPa 3.12 kPa 2.47 kPa

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