Question

Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. What mass of oxygen gas

Answer 1

Answer:

thus, 24gram. oxygen gas would be required to react completely with 3 gram of hydrogen gas

Explanation:

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Answer 2

Answer:

in a water molecule we have 2 hydrogen ie of mass 1amu × 2 + 18amu ×1 where mass of one molecule of oxygen is 18 amu.