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Recap - Fat in Chips

Part of the Food Chemistry and the Lab section of Coddy's Chemistry journey. Lesson 26 of 27.

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Challenge

Energy on the label

A food company tests a new bag of potato chips. The lab finds that the chips are 15% fat by mass; the rest is mostly starch. A food label counts 37 kJ37\ \mathrm{kJ} for every gram of fat and 17 kJ17\ \mathrm{kJ} for every gram of carbohydrate.

A bag holds 50 g50\ \mathrm{g} of chips. How much energy E does the fat in one bag give?

Try it yourself

Physics diagram: balance

Solve for EE

All lessons in Food Chemistry and the Lab