An alloy of copper, silver and gold is found to have copper atoms at ccp lattice, silver atoms at edge centers and gold a body center of unit cell. The simplest formula of the alloy is

Question

An alloy of copper, silver and gold is found to have copper atoms at ccp lattice, silver atoms at edge centers and gold a body center of unit cell. The simplest formula of the alloy is, CuAgAu, C u 4 A g 3 A u, C u 4 A g 4 A u, C u 4 A g 2 A u

MARKS App · Accepted Answer

Number of Cu-atoms at ccp lattice (corner + face) = 8 × 1 8 + 6 × 1 2 = 4 Number of Ag-atoms = 1 4 × 12 = 3 Number of Au-atoms = 1 Simplest formula = C u 4 A g 3 A u

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