how many moles and how many molecules of N are present in 42g of N2?
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Explanation:
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Answer:
no.of moles of N=W/M
=>n=42/14
=>n=2
now,
total no. of N2- electrons=10
hence,
no. of moles of electrons=n*avogadro's number*10
=>n'=2*6.022*10^23*10
=>n'=12.044*10^24
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