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How Much Water is Needed to Produce 1 kg of Hydrogen?

Discover how 9 kg of water can generate 1 kg of hydrogen through electrolysis.

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Video transcript

To produce 1 kg of hydrogen, you need approximately 9 kg of water. This is because water (H2O) consists of 2 parts hydrogen and 16 parts oxygen by weight, and the process of electrolysis is usually employed to separate them.

Questions and answers

  1. What is electrolysis?

    Electrolysis is a process that uses electricity to split water into hydrogen and oxygen.

  2. Can hydrogen be produced without water?

    No, hydrogen production typically involves water or hydrocarbons; water is a common source.

  3. What are the applications of hydrogen?

    Hydrogen is used in fuel cells, chemical production, and as a clean energy carrier.

  4. Is hydrogen production from water sustainable?

    If renewable energy is used for electrolysis, hydrogen production can be sustainable and eco-friendly.

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