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Weighing gases lab

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Results CO O2O H2H2 Mass (g)Flask+gasFlaskGas # of molecules Moles (mol)Molar mass (g/mol) Gas 2.49 x CO x O2O x H2H Density(g/L)

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1.Law of Combining gas volumes: When measured at the same temp. and pressure, volumes of gaseous reactants and products of chemical reactions are always in simple ratios of whole numbers. Avogadro's theory: Equal volumes of gases at the same temperature and pressure contain equal numbers of molecules. 2.Yes. All 1 L flasks (same temp & pressure) held the same number of molecules. O2O2 H2H2 3.O 2 molecules are16x more massive (see molar masses): 4.The mole ratios in the balanced chemical equation.

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# of molecules Moles (mol) Molar mass (g/mol) 2.49 x CH x CO x O2O x H2H CH CO O2O H2H2 Mass (g) Density(g/L) Flask +gasFlaskGas 5.

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Avogadros Theory: Graphical Representation + hydrogenchlorine hydrogen chloride + carbon monoxideoxygencarbon dioxide + nitrogen hydrogenammonia For more lessons, visit

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