Question

Determine the freezing point of a solution that contains 78.8 g of naphthalene (C10H8, molar mass = 128.16 g/mol) dissolved in 722 mL of benzene (d = 0.877 g/mL). Pure benzene has a melting point of 5.50°C and a freezing point depression constant of 4.90°C/m.

Name: determine the freezing point of a solution that contains 788 g of naphthalene c10h8 molar mass 12816 gmol dissolved in 722 ml of benzene d 0877 gml pure benzene has a melting point of 550c a 02075
Uploaded: 2022-03-21T18:42:19-08:00
Duration: 3 min 33 s
Channel: Ishu S
Description: determine the freezing point of a solution that contains 788 g of naphthalene c10h8 molar mass 12816 gmol dissolved in 722 ml of benzene d 0877 gml pure benzene has a melting point of 550c a 02075

          Determine the freezing point of a solution that contains 78.8 g of naphthalene (C10H8, molar mass = 128.16 g/mol) dissolved in 722 mL of benzene (d = 0.877 g/mL). Pure benzene has a melting point of 5.50°C and a freezing point depression constant of 4.90°C/m.

Added by Brandi B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Ishu S

03/21/2022

Step 1

Given: Density of benzene (d) = 0.877 g/mL Volume of benzene (V) = 722 mL Using the formula density = mass/volume, we can calculate the mass of benzene: mass = density x volume mass = 0.877 g/mL x 722 mL mass = 633.2 g Therefore, the mass of the solvent benzene Show more…

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Determine the freezing point of a solution that contains 78.8 g of naphthalene (C10H8, molar mass = 128.16 g/mol) dissolved in 722 mL of benzene (d = 0.877 g/mL). Pure benzene has a melting point of 5.50°C and a freezing point depression constant of 4.90°C/m.