The solution forms because the dissolved state has a higher energy than the undissolved state. The increase in entropy is the driving force of the process.

The solution forms because the dissolved state has a higher energy than the undissolved state. The decrease in entropy is the driving force of the process.

The solution forms because the dissolved state has a lower energy than the undissolved state. The increase in entropy is the driving force of the process.

The solution forms because the dissolved state has a lower energy than the undissolved state. The decrease in entropy is the driving force of the process.