Answer:
2 grams.
Explanation:
H2 + O2 ---> H2O2
Using molar masses:
2*1 g hydrogen reacts with 2*16 g oxygen.
so 2g H2 reacts with 32 g O2.
The answer is 25 grams for this question
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Numbers from -998 and 999 are in between -999 and 1000.
I hope this was helpful! c:
I had the same question, it's most likely B.
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