Compare and contrast the rate of solution formation between the three physical forms of salt that were placed in the vial and not agitated with the

 Compare and contrast the rate of solution formation between the three physical forms of salt that were placed in the vial and not agitated with the three forms of salt that were placed in the vial and were agitated. I don't understand how to do this lab so may you just explain and help me answer this question in any way you can