New Hampshire NH SAS Science - High School Practice Questions - New Hampshire Statewide Assessment System Science - High School (Second Year Of High School) Exam

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In the reaction 2 H2 + O2 → 2 H2O, how many molecules of water can be produced when 4 molecules of hydrogen react completely with 1 molecule of oxygen?

2 molecules of water 4 molecules of water 6 molecules of water 8 molecules of water

Correct Answer:

2 molecules of water

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