题目内容

Please find the wrong statement as below. ( )

A. Vapor pressure lowering is one of colligative properties of diluted solution
Boiling point will elevate because of vapor pressure lowering
C. The vapor pressures of all liquid depend on the given temperature
D. Freezing point will elevate because of vapor pressure lowering

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At the freezing point, the relationship between the vapor pressure of solid P1 and the vapor pressure of liquid P2 is ( ). (the solid and liquid are the same substance)

A. p1>p2
B. p1
C. p1=p2
D. uncertain

The osmolarity of 0.154 mol•L-1 NaCl solution is ( ).

A. 0.154 mmol•L-1
B. 154 mmol•L-1
C. 308 mmol•L-1
D. 462 mmol•L-1

9 g•L-1NaCl solution is isotonic solution, put the normal red blood cells into the following salt water, which can cause hemolysis? ( )

A. 9 g•L-1 salt water
B. 5 g•L-1salt water
C. 10 g•L-1salt water
D. 15 g•L-1salt water

The osmolarity of a hypertonic solution is ( ).

A. greater than 320 mmol•L-1
B. 280-320 mmol•L-1
C. less than 280 mmol•L-1