Salim added 1 g of salt to each of four beakers filled with water. He stirred the water at different speeds and recorded how long it took for the salt to dissolve.
Stirring Time (sec)
No stirring
25
Slow stirring
18
Medium stirring
10
Fast stirring
6
Based on evidence in the table, what claim should Salim make?
Group of answer choices
1.Salt will not dissolve in water unless the water is stirred.
2.Stirring water increases the rate at which a salt dissolves.
3.Stirring has no effect on the rate at which a salt dissolves.
4.Stirring water decreases the rate at which a salt dissolves.