It takes 1 minute for a certain amount of potassium phosphate (KH2PO4) to dissolve in 100 grams of water at 50 °C.
Which of the following will most likely happen if the same sample of potassium phosphate is dissolved in 100 grams of water at 20 °C?
a The sample will dissolve in exactly 1 minute.
b The sample will dissolve in more than 1 minute.
c The collision between particles of the sample will increase.
d The collision between particles of the sample will remain constant.