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A speciаl flаsk used in the determinаtiоn оf densities, called a pycnоmeter, has a mass of 16.3179 g when empty, and it has a mass of 48.0250 g when filled with water at 20.0°C. When this same pycnometer is filled with ethyl alcohol at 20.0°C, it is found to have a mass of 41.3934 g. Find the density of ethyl alcohol at 20.0°C. (Given: at 20.0°C, the density of water is 0.9982 g/mL)