A general chemistry student isolated ciguatera toxin (a poisonous polyether prod

Question

A general chemistry student isolated ciguatera toxin (a poisonous polyether produced by the dinoflagallete Gambierdiscus toxicus) from a red tide bloom off the coast of San Francisco, California. A partial structure of ciguatera toxin is shown below. The first steps in characterizing new substances typically involve determining physical properties. In a freezing point experiment, a 122.9 mg sample of pure ciguatera toxin was dissolved in 2.226 g of nitrobenzene (which has a freezing point = 5.6700

Explanation / Answer

Hi,

Let us first have a look at what is given

Weight of sample = 122.9 mg = 0.1229 g

Freezing point of sample = 5.1315

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