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A piece of sodium metal reacts completely with water as follows:
2Na (s) + 2H2O (l) → 2NaOH (aq) + H 2 (g)
The hydrogen gas generated is collected over water at 23.0°C. The volume of the gas is 187 mL measured at 0.981 atm. Calculate the number of grams of sodium used in the reaction. (The vapor pressure of water at 23.0°C = 0.0277 atm.)
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Based on our data, we think this problem is relevant for Professor Roychowdhury's class at RUTGERS.