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What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?
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Percent purity of fe2o3 in original sample. fe2o3 + 3co - 2fe+3co2. 1.39 x 10^3 kg of fe is obtained from 2.22 x 10^3 kg sample of fe2o3. reaction goes to completion
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Cuantas moleculas hay en 1.78 moles de H20...
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