When salt is added to water, the entropy, S, of the system can be described by an
inequality.
Ssolution > Swaler + Ssalt
According to the inequality, what increases
when salt is added to the water?
A. Internal energy
B. state of disorder
C. number of particles
D. strength of attraction between particles

C. number of particles

Explanation:

Entropy is the measure of disorderliness of a system. Remember that when you dissolve salt in water, you increase the number of particles in the solution. The greater the number of particles in solution, the greater the entropy of the  solution system.

Hence dissolution of a salt in water increases the entropy by increasing the number of particles in solution leading to the inequality; Ssolution > Swater + Ssalt.