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(a) Calculate the density of free electrons in pure silver (units: cm^-3), assuming that there are 1.3 free electrons per silver atom. The density of silver is 10.5 g/cm^-3.

(b) Given that the electrical conductivity of silver is 6.8 × 107 ??1m?1, calculate the mobility of silver (units: cm2/Vs).

(a) Given data, density of silver=10.5 g/cm^-3 atomic weight of silver=107.87 g/mol free electrons per silver atom=1.3 Now,in 1 cm^3 ,mass of silver=10.5 g Number of mol