Question

calculate the mass of 0.5mole of N2gas. (atomic mass of N=14u)

Answer 1

hey mate

moles =mass/molecular weight

mass= moles × molecular weight

0.5×28

14

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Answer 2

$<h2 > hey there$



$mass = mole \times molecular mass$


$mass = \frac{1}{2 } \times 28$



mass = 14g



Hope it helps you


$<marquee > prabhudutt$