Hello i need on what i should do for my science project ok so we were asked to make a brochure on the four stars of matter and we need to have a theme like for example (matter island) or (matter theme park) what theme should i do?

Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .