Question

Rob is attempting to dissolve rock salt in warm water but it is a slow process. How could he most effectively increase the rate of solution of the rock salt?
A) Decrease the temperature of the water.
B) Increase the concentration of the salt.
C) Grind the rock salt into smaller pieces.
D) Agitate the rock salt and the cool water.

Answer 1

C) Grind the Rock salt into smaller pieces

Answer 2

The answer is grind the rock salt into smaller pieces

BECAUSE, decrease in temperature results in slowing down the process

Is salt concentration is increased it may increase the rate of reaction but if it is powdered

If water is cooled then the rate of recation will decrease

Hence option C Is correct

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