MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Simran Bhatia Grade: 11
        Assume that each atom in a copper wire contributes one free electron. Estimate the number of free electrons in a copper wire having a mass of 6.4 g (take the atomic weight of copper to be 64 g/mol).
3 years ago

Answers : (1)

Aditi Chauhan
askIITians Faculty
396 Points
										Sol. 64 grams of copper have 1 mole 6.4 grams of copper have 0.1 mole

1 mole = No atoms 0.1 mole = (no × 0.1) atoms
= 6 × 10^23 × 0.1 atoms = 6 × 10^22 atoms
1 atom contributes 1 electron 6 × 10^22 atoms contributes 6 × 10^22 electrons.
3 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: Rs. 15,900
  • View Details
  • Electricity and Magnetism
  • OFFERED PRICE: Rs. 1,696
  • View Details

Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details