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May 23, 2015

Homework Help: CHEMISTRY

Posted by Matt on Saturday, November 3, 2007 at 11:21am.

When 2.47 g of chromium is reacted with an excess of sulphur, the compound Cr2S3 results. Treating the Cr2S3 so formed with strontium metal converts all of the sulphur to SrS. Reacting the SrS with sodium metal then converts all the SrS to Na2S. What mass in grams of Na2S is produced?

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