Calculate the molarity of an aqueous caffeine solu- tion prepared by dissolving 0.014 mol of caffeine in
water to get 225 mL of solution.

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Is a chemical message sent by another individual.

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt