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Chemistry, 21.06.2019 18:00
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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What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?
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Electrones protones y neutrones de nitrógeno...
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