What conclusion can be drawn about analog and digital technologies based on these examples?

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x.xx ml

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Explanation for basic character?