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The surface tension of the ether at 20C will be determined using a Traube stalagmometer. The number of drops of water was measured as 29,

The surface tension of the ether at 20C will be determined using a Traube stalagmometer. The number of drops of water was measured as 29, and of ether as 86. The densities of water and ether are 0.997 and 0.70 g/cm3, respectively. If the surface tension of water is 72.8 dyn/cm, find the surface tension of ether

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