Question

which factor causes a decrease in the rate of dissolution?
o decreasing the amount of solute
o increasing the stirring of the solution
o decreasing the surface area of the solute
o increasing the temperature of the solvent

Explanation:

The rate of dissolution is affected by several factors. Decreasing the surface - area of the solute reduces the contact between the solute and the solvent, thus decreasing the dissolution rate. Decreasing the amount of solute doesn't directly affect the rate. Increasing stirring and temperature increase the dissolution rate.

Answer:

decreasing the surface area of the solute