21 The task of chemistry number 21

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Uploaded: 23.10.2013
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How many carbon units per 1 g of any substance? How many molecules contained 8.5 g of H2S? What it is (in grams) of the average weight of a single molecule of H2S? Answer: 6.02 * 1023; 1.5 * 1023; 5,66-10-23 city

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