Question #63494

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Question #63494

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Answer 1 · 2016-02-21T18:50:57

$1.8069 \times 10^{24}$ $1.8069xx10^24$

Explanation:

$1$ $1$ mole of any substance contains $6.023 \times 10^{23}$ $6.023xx10^23$ particles.

Hence by ratio and proportion, $3$ $3$ moles of $P b$ $Pb$ will contain $3 \times 6.023 \times 10^{23}$ $3xx6.023xx10^23$ $P b$ $Pb$ atoms $= 1.8069 \times 10^{24}$ $=1.8069xx10^24$ atoms.

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Question #63494

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