Bad Sushi (EXP)

Several people have been diagnosed with food poisoning after eating at local sushi restaurants. You have been hired to determine whether the fish being used at these restaurants is safe for consumption.

A diagram showing a tray of fresh sushi with an arrow pointing toward a cartoon of a rotten fish, aligned below with the structure of histidine with an arrow pointing toward the structure of histamine, with CO2 being lost. Image by David Armstrong.

Problem written by: Zhenzhou Qi

Curriculum items covered: Acid-base reactions, polyprotic acids, titration.

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