Pd has a fcc lattice in which hydrogen atoms occupy, Ask an Expert

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One idea for hydrogen storage is to take advantage of the formation of metallic hydrides. For example, hydrogen is very soluble in metallic palladium. Pd has a FCC lattice in which hydrogen atoms occupy octahedral holes. If 70% of the holes are filled by hydrogen atoms and the lattice does not expand upon hydrogenation, how many grams of hydrogen will be contained in one cubic centimeter of the palladium hydride? The density of Pd is 12.02 g/cm3.

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