1.30 How can you determine the atomic mass of an unknown metal if you know its density and the dimension of its unit cell? Explain
1.30 How can you determine the atomic mass of an unknown metal if you know its density and the dimension of its unit cell? Explain
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1 Answer
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1.30 Knowing the density of an unknown metal and the dimension of the unit cell, the atomics mass of the metal can be determined.
Let, Atomic mass of element
(M)=d* a3* NA x Z
Where, d = density
- a3= volume of the unit cell
- NA = Avogadro's number
- Z= number of atoms present in one unit cell.
- Density of the unit cell= Mass of the unit cell / Volume of the unit cell
- d= zm / a3
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ΔG° = –RT * 2.303 log K
–nFE° = +RT * 2.303 log K
2 * 96500 * 0.295 = 8.314 * 298 * 2.303 log10 K
10 = log10 K = 1010
It has chiral centre and differently di substituted double bonded carbon atoms.
For FCC lattice
Packing efficiency = 
CsCl has BCC structure in which Cl– is present at corners of cube and Cs+ at body centre
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