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A sample of an alkali metal that has a b.c.c. unit cell is found to have a mass of 1.000 g and a volume of
A sample of an alkali metal that has a b.c.c. unit cell is found to have a mass of 1.000 g and a volume of 1.0298 cm3 (note that this is NOT the volume of the unit cell). The metal is allowed to react with excess water, producing 539.29 mL of hydrogen gas at 0.980 atm and 23 C. a. Identify the metal and write the balanced equation for the reaction with water. b. Determine the unit cell dimensions. c. Give the approximate size of the atom in pm.
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