Chemistry, 16.11.2019 05:31 23basu3

Binary compounds of alkali metals and hydrogen react with water to liberate hydrogen gas. the hydrogen gas from the reaction of a sample of sodium hydride with an excess of water fills a volume of 0.475 l above the water. the temperature of the gas is 35 ∘c and the total pressure is 755 mmhg.
find the mass of h2 liberated and the mass of nah that reacted.

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