Problem: A solution is made containing 12.6 g of methanol CH 3OH (32.04 g/mol) in 154 g of water. H20 (18.02 g/mol)c) Calculate the molality of methanol:a.  2.55 mb. 0.944 mc. 1.62 m d. 1.79 me. 0.272 m

FREE Expert Solution

We're being asked to determine the molality of methanol in a mixture of water and methanol.

Recall that molality can be calculated as:

molality=moles solutekg solvent 

Hence we have to calculate for moles of CH3OH and kg of water using the mass and molar mass provided

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Problem Details

A solution is made containing 12.6 g of methanol CH 3OH (32.04 g/mol) in 154 g of water. H20 (18.02 g/mol)

c) Calculate the molality of methanol:

a.  2.55 m

b. 0.944 m

c. 1.62 m 

d. 1.79 m

e. 0.272 m

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