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Chemistry, 21.06.2019 14:10
The rock in a lead ore deposit contains 89 % pbs by mass. how many kilograms of the rock must be processed to obtain 1.5 kg of pb?
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Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?
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Chemistry, 21.06.2019 22:40
How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration
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How many grams of magnesium carbonate must be decomposed to produce 55 grams of
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