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Question #87058

1 Answer

Sep 10, 2017

$3.012 \times 10^{23}$ $3.012xx10^23$ Molecules

Explanation:

First we consider 1 mole of a gas

since 1 mole of any thing will contain $6.023 \cdot 10^{23}$ $6.023*10^23$ molecules( approximately )

Here it is given 0.5 moles of $N H_{3}$ $NH_3$

Therefore 0.5 moles of Ammonia( $N H_{3}$ $NH_3$ ) will contain $0.5 \cdot 6.023 \cdot 10^{23}$ $0.5*6.023*10^23$ molecules .got it.

which is $3.012 \cdot 10^{23}$ $3.012*10^23$ molecules

$color(red)("ENJOY CHEMISTRY")$

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