Assume that equal masses of two nonvolatile solutes of different molar masses are dissolved in two identical water samples. How do the freezing-point depressions of the two resulting solutions compare?
a) the depression for the higher-molar-mass solute will be less
b) the depression for the higher-molar-mass solute will be greater
c) the two depressions will be equal
d)any of the above might be the case, depending on the particular solute
2007-05-03 16:15:46 · 4 answers · asked by Meno 1 in Science & Mathematics ➔ Chemistry
The freezing point depression is based on the number of molecules added (molality). If the two solutes have equal mass, then the solute with the lower molecular mass will have more moles = more molecules. It will have the larger depression effect.
2007-05-03 16:21:57 · answer #1 · answered by reb1240 7 · 0⤊ 0⤋
a. The depression is proportion to the number of molecules in the water. There are more with the lower weight solute.
2007-05-03 16:22:21 · answer #2 · answered by cattbarf 7 · 0⤊ 0⤋
D.... due to the eutectic effect... the freezing point will be supressed below both individual freezing points so the solute makes the difference....
2007-05-03 16:26:21 · answer #3 · answered by Anonymous · 0⤊ 0⤋
a. same mass = no movement, no accel.
2016-05-20 00:36:56 · answer #4 · answered by mari 3 · 0⤊ 0⤋