What mass of NaCl must be dissolved in65.0 g of water to lower the fre – InterviewSolution

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1.	What mass of NaCl must be dissolved in65.0 g of water to lower the freezing point ofwater by 7.50°C? The freezing pointdepression constant (K,) for water is1.86°C/mol. Assume van't Hoff factor forNaCl is 1.87. (molar mass of NaCl58.5 g mol-1). All India 2011, 2010; Foreign 2010
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