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Li metal is one of the few substances th...

Li metal is one of the few substances that reacts directly with molecular nitrogen. The balanced equation for reaction is :
`6Li(s)+N_(2)(g) rarr 2Li_(3)N(s)`
How many grams of the product, lithium nitride, can be prepared from 3.5g of lithium metal and 8.4 g of molecular nitrogen ?
(Atomic weight Li = 7, N = 14)

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