Chemistry, 21.01.2020 20:31 freeman36

Arock has a mass of 12000 g. it contains 300.0 grams of gold. what is the mass percent of gold in the rock? 25.00% 4.000% 2.500% 100.0%

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Arock has a mass of 12000 g. it contains 300.0 grams of gold. what is the mass percent of gold in th...