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24 May, 17:38

Combining oxygen with hydrogen in a fuel cell produces water and energy that can power a car. how many grams of hydrogen must be added to 800 g of oxygen to produce 900 g of water?

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Answers (2)
  1. 24 May, 18:17
    0
    Add them all together
  2. 24 May, 18:28
    0
    Just add and then you get your answer
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