An Unknown Substance Is Known to Be a Nonelectrolyte,and It

question 14

Multiple Choice

An unknown substance is known to be a nonelectrolyte,and it dissolves in water.Determine the approximate molar mass of the substance if 37.7 g of the substance dissolved in 1.00 * 10² mL of water has a boiling temperature of 102.73°C.K_b for water is 0.52°C/m.

• A)5.3 g/mol
• B)1.4 g/mol
• C)2.0 * 10² g/mol
• D)3.8 * 10² g/mol
• E)72 g/mol

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