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Question

The number of moles of electrons present in 3.0115×1024 particles of CO is:

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Solution

Moles of CO=number of particlesAvogadro's number=3.0115×10246.023×1023=5
Number of electrons present in 1 molecule of CO=6+8=14
Number of moles of electrons present in 5 mol of CO=14×5=70

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