Science, asked by shakshi5, 1 year ago

calculate the number of iron atoms in a piece of iron weighing 2.8 g

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Answered by prernachaudhary1
34
1 mole of iron equal to gram atomic mass
=56g
56g of iron contains 6.022×10^23
2.8 g of iron contain = 6.022×10^23/56×2.8
= 6.022×10^23/2
= 3.011 × 10^22..
Answered by Anonymous
22
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