calculate total moles electron in 3.011×10^23 Mg ions?
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Explanation:
3.011×10 23
no. of nitrogen atom at mass of nitrogen =14g
1 mole of nitrogen contains 6.022×10 23 atoms
14g will contains 6.022×10 23 atoms
how,6.022×10 23 14
g contains 1 atom
∴( 6.022×10 23 14)×3.011×10 23
= 214
=7g of N.
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