Oxygen Gas Collection
2:03
Added: 3 years ago
From: msnye
Views: 6,584
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  • how pure is H2O2? 3%? or 30%?

    pordido 3 years ago

  • 3% H2O2.  The MnO2 is the catalyst which increases the rate of decomposition.

    msnye 3 years ago

  • Thank You.

    This has been a very helpful video.

    hughey92 3 years ago

  • how do you keep the oxygen in the tube once you get it out of the water?

    mavadd88 3 years ago

  • Well you hold it so the tube is upside down, I guess. The oxygen doesnt suck out of the tube imediately, it just like, floats around alil bit.

    DeviLe15 3 years ago

  • Use a stopper.

    pyropakman 2 years ago

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