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Sylvanite is a mineral that contains 28.0% gold by mass. how much sylvanite would you need to dig up to obtain 77.0 g of gold? explain how you got your answer and the steps you took. you
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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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What are transitions between a liquid and gas called? identify which way they are transitioning
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Which of these conditions most likely produces an unstable isotope?
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23g of of sodium reacted with 35.5g of chlorine. calculate the mass of the sodium chloride compound...
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