Copper Has a Mass Density of 8 $\times$ 10²⁸ M^-3
B)3 $\times$

question 75

Multiple Choice

Copper has a mass density of 8.93 g/cm³ and its molar mass is 63.55 g.If each copper atom contributes one free electron,the carrier density is

• A)8.46 \(\times\) 10²⁸ m^-3
• B)3.12 \(\times\) 10²⁸ m^-3
• C)4.15 \(\times\) 10²⁸ m^-3
• D)6.48 \(\times\) 10²⁸ m^-3
• E)None of these is correct.

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