Calculate the weight percent ba and ca in the original
A mixture containing only BaO and CaO weighs 2.00g. The oxides are converted to the corresponding mixed sulfates, which weigh 4.00g. Calculate the weight percent Ba and Ca in the original mixture.
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How much oxygen is required to support the aerobic biodegradation of the BOD5 material in a storm water + sewage overflow situation that involves a 24 h overflow of 2 500 gallons/hour into a receiving river?
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