Question #555c9

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Question #555c9

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Answer 1 · 2016-02-18T00:26:27

Every mole of Carbon contains 12.01 grams . There are $6.022 \times 10^{23}$ $6.022xx10^23$ atoms of Carbon in every mole. For this problem, every molecule of Methyl salicylate contains 7 atoms of Carbon ...

Explanation:

If there are $3.70 \times 10^{23}$ $3.70xx10^23$ molecules, then the total number of Carbon atoms is ...

$(3.70 \times 10^{23}) \times 7 = 25.9 \times 10^{23}$ $(3.70xx10^23) xx7 = 25.9xx10^23$ Carbon atoms

Grams of Carbon $= \frac{25.9 \times 10^{23} atoms}{6.022 \times 10^{23} atoms / mole} \times 12.01 \frac{grams}{mole} = 51.7$ $= (25.9xx10^23 "atoms")/(6.022xx10^23 "atoms / mole")xx12.01 ("grams")/("mole")=51.7$ grams

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