Chemistry Practice Problems Collecting Gas Over Water Practice Problems Solution: Binary compounds of alkali metals and hydrogen rea...

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Solution: Binary compounds of alkali metals and hydrogen react with water to liberate H2 (g). The H2 from the reaction of a sample of NaH with an excess of water fills a volume of 0.495 L above the water. The temperature of the gas is 35 oC and the total pressure is 760 mmHg .Find the mass of NaH that reacted.

Problem

Binary compounds of alkali metals and hydrogen react with water to liberate H2 (g). The H2 from the reaction of a sample of NaH with an excess of water fills a volume of 0.495 L above the water. The temperature of the gas is 35 oC and the total pressure is 760 mmHg .

Find the mass of NaH that reacted.