New Mexico NM-ASR Science Grade 8 Practice Questions - New Mexico Assessment Of Science Readiness - Science, Grade 8 Exam

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In the reaction 2H2 + O2 -> 2H2O, 4 grams of hydrogen react with 32 grams of oxygen to form water. Assuming the reaction goes to completion, what mass of water is produced?

36 grams 28 grams 32 grams 4 grams

Correct Answer:

36 grams

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