Question

A student is making a salt water solution for a lab experiment. Which of the following would increase in the rate the salt dissolves?(1 point)
Responses

stirring the solution
stirring the solution

using salt cubes instead of crushed salt
using salt cubes instead of crushed salt

cooling the water
cooling the water

Answer 1

Stirring the solution.

Stirring increases contact between water and salt (removes the saturated layer at the surface), so the salt dissolves faster. Using salt cubes instead of crushed salt would slow dissolving (less surface area), and cooling the water also slows the dissolution rate.