Chemical Forums
Chemistry Forums for Students => High School Chemistry Forum => Topic started by: skitty on September 25, 2004, 04:32:16 PM
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How many hydrogen atoms are contained in 175 grams of C3 H8?
Here's what I multiplied together: 175 g C3H8 x 1 mol H8 X 6.022 x 10^23 X 8 H Atoms.
Here's what I divided by 32.08 g C3 H8. Plus the usual cancelling units.
I ALMOST have the right answer. Please help. Or if you know a better way, anything would be great.
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32.08 g C3 H8 is wrong is the wrong molecular weight.
It's 44.096 g.
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D'OH!!!!!!!!!!!!!!!!!!!!!!!!!!!!