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Chemistry, 07.01.2020 23:31 wizewolf

2h2 + o2à2h2o
how many water molecules are created when 32 grams of oxygen react completely with 4 grams of hydrogen?
a. 2
b. 20
c. 6.02 × 1023
d. 1.2 × 1024

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2h2 + o2à2h2o
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