MCAT Question of the Day
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    Q:

    		 Two solutions are separated by a semipermeable membrane allowing only water to flow through. In one solution, 1 mole of CaCl2 is added while in the other solution, 1 mole of NaCl is added. Water will flow from the NaCl solution into the CaCl2 solution because:
    		 

    A

    		 the calcium ion is larger than the sodium ion.

    B

    		 there are more moles of ions in the CaCl2 solution than in the NaCl solution.

    C

    		 calcium is divalent while sodium is monovalent.

    D

    		 calcium is more electropositive and has a stronger affinity for water.



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