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Calculate the vapor pressure at 20°C of a solution containing 0.61g of naphthalene in 16g of chloroform (CHCl3). Naphthalene (C10H8) has a low vapor pressure and may be nonvolatile. The vapor pressure of chloroform at 20°C is 156 torr. a) The vapor pressure would not change as naphthalene is considered non-volatile. b) 28.10 torr c) 150.65 torr d) 20.90 torr