$(A)$ $\Delta G$ is positive $(B)$ $\Delta S _{\text {system }}$ is positive
$(C)$ $\Delta S _{\text {surroundings }}=0$ $(D)$ $\Delta H =0$
$\Delta S_{\text {surr }}=0 \quad \text { No heat exchange between solution and surrounding. } $
$\Delta H =0 \quad \text { For ideal solution. } $
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