Chemistry, 26.08.2019 11:00 Weser17

Asample of white gold is: 18.0 grams gold, 3.0 grams silver, 2.0 grams cobalt, and 1.0 gram platinum by mass. what is the percent platinum in the sample?

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Asample of white gold is: 18.0 grams gold, 3.0 grams silver, 2.0 grams cobalt, and 1.0 gram platinu...