Chemistry, 18.11.2020 20:10 skyless

A 9.56 g sample of CuS is found to contain 6.35 g of copper. What is the percent by mass of the copper and sulfur in this compound? (to the .1 %)

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A 9.56 g sample of CuS is found to contain 6.35 g of copper. What is the percent by mass of the copp...

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