Chemistry, 27.08.2019 13:30, serenity6282

Amover packs books, cds, and dvds into a moving box. if the box contains 6.5 kg of books, 1.5 kg of cds, and 2.0 kg of dvds, what is the percent by mass of each object in the box?

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Amover packs books, cds, and dvds into a moving box. if the box contains 6.5 kg of books, 1.5 kg of...