In the following neutralization reaction between an acid and base, hydrochloric acid (aq) + sodium hydroxide (aq), write the molecular equation, total ionic and net ionic equations, respectively. What are the spectator ions if there are any?
A student heated (1.30x10^0) grams of copper(II) sulfate pentahydrate and found the anhydrous salt weighed (7.5800x10^-1) grams. What was this student's experimental mass percent water?