The suggested daily intake of vitamin c is 75 mg. about how many servings of grapefruit would it take to provide most of the daily requirements of vitamin c?

We are asked in the problem to determine the number of servings of grapefruit to produce 75 mg of vitamin C. According to studies, the vitamin C content of grapefruit is 31.2 mg per 100 g fruit. using stoichiometry, we write

75 mg vitamin C * (100 g grapefruit)/31.2 mg Vitamin C = 240.39 g grapefruit. this is equivalent to about 2 small sized grapefruits.

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