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Asample of rose gold is: 12.0 g gold, 5.0g silver, and 7.0 g copper. what is the percent copper in the sample?
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Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.
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20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?
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Complete each row of the table below by filling in the missing prefix or missing exponent.
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The elements of which group are nonreactive? halogens alkaline earth metals noble gases alkali meta...
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