To balance this equation, how many NaBr are need
NaBr + Ca(OH)2 Cabr2 + NaOH...
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Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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