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Question #206cb

1 Answer

Mar 20, 2017

$1.9571958 \times 10^{24} atoms$ $1.9571958xx10^24"atoms"$

Explanation:

1mole of any substance has $6.022140857 \times 10^{23}$ $6.022140857 xx 10^23$ atoms .

Thus 3.25moles of copper has

$3.25 \times 6.022140857 \times 10^{23} = 1.9571958 \times 10^{24} atoms$ $3.25 xx 6.022140857 xx 10^23 = 1.9571958xx10^24"atoms"$

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