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How many grams of o2 are needed to form 52.3 grams of h2o?
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How many grams of o2 are needed to form 52.3 grams of h2o?

User AndyS
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There are 16 grams of oxygen in 18 grams of water. The formula of water is h20 hence there is twice as many of hydrogen atoms , so the molecular mass of h20 is 18 with 16 grams of oxygen by its mass
User Rogervila
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