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Copper(I) iodide (Cul) is often added to table salt as a dietary source of iodine. How many moles of Cul are contained in 1.00 $\mathrm{lb}(454 \mathrm{g})$ of table salt containing 0.0100$\%$ Cul by mass?

$2.38 \times 10^{-4} \mathrm{mol} \mathrm{CuI}$

Chemistry 102

Chemistry 101

Chapter 3

Composition of Substances and Solutions

Solutions

Composition

Josie P.

October 19, 2020

Rajni S.

December 11, 2020

Drexel University

University of Kentucky

Lectures

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01:31

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01:37

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this question were asked to determine the moles off cop I lied. That is contained in 454 grams of table salts containing 0.1% copper. I died by Mass. So in order to solve for the moon, we need to know what the mullahs masses. We've been given the mass here. We need to just attending the mullahs mass. So the mole's is given by the mass directed by the molar mass amass years, 464 grams. A mole a mass would have to calculate that. I'll leave that to you to calculate from my calculation, I obtained a value off 190.4 46 grams per more for the molar mass of cop I dead. This yields a valley off two points three, 84 moves. However, this is not our final answer because you have to remember that you told that this has to be 0.1% off, abided by months. Initially, what we had to do was multiply our masked by 0.1%. But we can still do that. It's not a problem, so we can take our more than we calculated to 0.3 84 And what, like that? By 0.1%. 0.1 divided by 100. This is gonna give us a value of 2.38 for I'm stands in the fall minus fall. Also, this indeed is our final answer. And just to be cautious with six weeks are significant. Lesson ready juices. Trust me, they ain't value.

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