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2H2(g) + O2(g) → 2H2 O

2H2(g) + O2(g) → 2H2 O(g)
In the reaction above, what volume of hydrogen would be left over when 300 cm3 of oxygen and 1000 cm3 of hydrogen are exploded in a sealed tube?

A.

200 cm3

B.

400 cm3

C.

600 cm3

D.

700 cm3

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Correct answer is B

No explanation has been provided for this answer.

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