Question: (Q1) Consider hypothetical platinum carbide, PtC, a solid-state NaCl-type compound with a cubic crystal structure. The unit cell is shown below, with platinum and carbon

(Q1) Consider hypothetical platinum carbide, PtC, a solid-state NaCl-type compound with a cubic crystal structure. The unit cell is shown below, with platinum and carbon depicted with large and small atomic radii, respectively. Given the following information, calculate the density of PtC: a=4.82A; relative atomic mass of Pt=195u; relative atomic mass of carbon =12u. (4 points)

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