Mole concept ok1294991357
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The document discusses atomic and molecular masses, moles, molar masses, and calculating empirical and molecular formulas. It provides examples of calculating moles from masses and vice versa using molar masses. It also discusses calculating percentage compositions and determining molecular formulas from empirical formulas using molar masses.
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Mole concept ok1294991357
- 9. So what have moles to do with the Sahara desert?
- 18. Remember this template C H Mass in grams 85.72 14.28 Moles 85.72/12 14.28/1 Ratio 7.14 14.28 Simple ratio 1 2 Empirical formula CH 2
- 26. This looks pretty Complicated so let us just Consider Room Temperature and Pressure, then 1mole Of any gas occupies 24 liters =24,000cm 3 You can thank Mr Avogadro for this
- 27. Let us now consider chemical equations