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22 June, 09:08

A sample of C3H8 has 3.28 * 1024 H atoms. How many carbon atoms does the sample contain? What is the total mass of the sample in grams?

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  1. 22 June, 09:11
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    To find the number of carbon atoms, we multiply the 3.28x10^24 by the ratio, 3/8. The total number of carbon atoms is 1.23 x 10^24 atoms. The total mass of the sample is each number of atoms divided by avogadro's number and multiplied by the molar mass of each. The total mass is 29.96 grams.
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