Calculate the weight in grams present in $0.7$ moles of sodium.

16.1 g

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16.2 g

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16.3 g

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0.161 g

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Solution

The correct option is A $16.1 g$
given $0.7$ moles of $N a (23)$
mole $= \frac{w e i g h t}{m o l e r m a s s}$
$0.7 = \frac{w e i g h t}{23}$
weight $= 16.1 g$

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