When two solutions $X$ and $Y$ are separated by a semi-permeable membrane and the solvent flows from $Y$ to $X$,then:

  • A
    Both solutions have the same concentration
  • B
    $X$ is more concentrated than $Y$
  • C
    $X$ is less concentrated than $Y$
  • D
    $X$ is a pure solvent and $Y$ is a solution

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