Guys i got mixed up its pls help me in chemistry tmrw 8:45 Am - 9:30 Am ill have final exam and i dunno me duma$s

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize