Which type of scientist would determine the different kinds of fat found in
milk chocolate?
a. a physicist
b. a sociologist
c. a chemist
d. a biologist

i need plz

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 .