4.a) A solvent of acetic acid (CH,CO,H) is collected consisting of 0.4096 moles. The solute added consist of 0.18744g Ba(OH),. What is the freezing point depression constant (k,) of the solvent for this example. [CH,CO,H=60.052g/mol] [Ba(OH),=171.34g/mol] 4.b) Is the freezing point depression constant calculated in 4.a acetic acid pure? Hint: compare the calculated k, value of acetic acid to the known k, value of acetic (see page 193(93)) in your lab manual. If they're the same, it's pure. If they're not the same, it's not pure.

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I need help with these questions. Also, assume the change in temperature is 1 degree Celsius for question 4.

4.a) A solvent of acetic acid (CH,CO,H) is collected consisting of
0.4096 moles. The solute added consist of 0.18744g Ba(OH),. What is
the freezing point depression constant (k,) of the solvent for this
example. [CH,CO,H=60.052g/mol] [Ba(OH),=171.34g/mol]
4.b) Is the freezing point depression constant calculated in 4.a acetic
acid pure? Hint: compare the calculated k, value of acetic acid to the
known k, value of acetic (see page 193(93)) in your lab manual. If
they're the same, it's pure. If they're not the same, it's not pure.
Transcribed Image Text:4.a) A solvent of acetic acid (CH,CO,H) is collected consisting of 0.4096 moles. The solute added consist of 0.18744g Ba(OH),. What is the freezing point depression constant (k,) of the solvent for this example. [CH,CO,H=60.052g/mol] [Ba(OH),=171.34g/mol] 4.b) Is the freezing point depression constant calculated in 4.a acetic acid pure? Hint: compare the calculated k, value of acetic acid to the known k, value of acetic (see page 193(93)) in your lab manual. If they're the same, it's pure. If they're not the same, it's not pure.
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