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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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In the reading, yao chen-yuan describes traveling to deliver a message. why was he willing to risk danger to travelto tientsin? he wanted to the boxers with their cause
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Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know
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In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
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In the first 23.0 s of this reaction, the concentration of HBr dropped from 0.520 M to 0.477 M . Cal...
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