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Two simple demonstrations of water electrolysis. The first demonstration was learned at the 2010 CSTA Conference at Tara Krisch's (Orange Grove Middle School) presentation on compounds.
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SOLVED: The hydrogen peroxide solution that you are using in this experiment is labeled as a 3.00% solution. This is a mass/volume percent, which can also be expressed as 3.00 g H2O2/100.0 mL of solution. In order to complete the calculations to determine activation energy, we need to express that concentration in units of molarity. Calculate the initial concentration of H2O2 in units of M.(Your answer should have 3 sig figs)
SOLVED: The hydrogen peroxide solution that you are using in this experiment is labeled as a 3.00% solution. This is a mass/volume percent, which can also be expressed as 3.00 g H2O2/100.0 mL of solution. In order to complete the calculations to determine activation energy, we need to express that concentration in units of molarity. Calculate the initial concentration of H2O2 in units of M.(Your answer should have 3 sig figs)
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