A student conducts an experiment to determine the van't Hoff factor for calcium nitrate. The experimental data called is shown in the table below. mass molar mass mass H20 measured Tf K¢ H2O Ca(NO3)2 Ca(NO3)2 3.232 g 30.0 g -3.07 °C 1.86 °C m-1 164.1 g mol-1 What is the experimentally determined value for the van't Hoff factor, i, for calcium nitrate given the data? 2.51 2.78 3.00 3.75

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A student conducts an experiment to determine the van't Hoff factor for calcium nitrate. The
experimental data called is shown in the table below.
mass
molar mass
mass H20
measured Tf
Kf H2O
Ca(NO3)2
Ca(NO3)2
3.232 g
30.0 g
-3.07 °C
1.86 °C m-1
164.1 g mol-1
What is the experimentally determined value for the van't Hoff factor, i, for calcium nitrate given the
data?
2.51
2.78
3.00
3.75
Transcribed Image Text:A student conducts an experiment to determine the van't Hoff factor for calcium nitrate. The experimental data called is shown in the table below. mass molar mass mass H20 measured Tf Kf H2O Ca(NO3)2 Ca(NO3)2 3.232 g 30.0 g -3.07 °C 1.86 °C m-1 164.1 g mol-1 What is the experimentally determined value for the van't Hoff factor, i, for calcium nitrate given the data? 2.51 2.78 3.00 3.75
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