A student is determining the molar mass of an unknown compound based on the following data:...
A student is determining the molar mass of an unknown compound based on the following data:
mass compound: 4.80 g
mass solvent (water): 0.022 kg
new freezing point: -2.50 oC
freezing point depression constant (Kf): 1.86 oC/molal
(Freezing point of pure water = 0 oC)
|
0.0786 g/mol |
||
|
162.33 g/mol |
||
|
0.00616 g/mol |
||
|
293.26 g/mol |
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