'Mol n' diaporamas de présentation

Unit 8 The Mole

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Empirical Formula

Empirical Formula. From percentage to formula. The Empirical Formula. The lowest whole number ratio of elements in a compound. The molecular formula the actual ratio of elements in a compound The two can be the same. CH 2 empirical formula C 2 H 4 molecular formula

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Empirical Formula

Empirical Formula. From percentage to formula. The Empirical Formula. The lowest whole number ratio of elements in a compound. The molecular formula the actual ratio of elements in a compound The two can be the same. CH 2 empirical formula C 2 H 4 molecular formula

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Reminder: 1 mol of anything e.g. Oxygen, carbon, dollars, toys, etc. is 6.02 x 10 23

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Doney (2010) The Growing Human Footprint on Coastal and Open-Ocean Biogeochemistry

Doney (2010) The Growing Human Footprint on Coastal and Open-Ocean Biogeochemistry Science 328, 1512.

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UNIT 4

UNIT 4. Percent Composition. Calculating Mass % (or Weight %). Once you have the correct chemical formula for a compound, you can calculate the percent by mass of any element or ion in the compound: mass % of an element in a compound = 100 x mass of the element in the compound

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