Who can help me think of a good observation then a hypothesis thanks!

Describe in detail the melting point behavior of the 80: 20 benzoic acid-mandelic acid mixture

Consider the point on the plot where 10.0 g of naoh have been added. what amount of naoh, in moles, has been added? 0.308 mol fecl3 initially present

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li