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If 30mL of H(2) and 20mL of O(2) react t...

If 30mL of `H_(2)` and 20mL of `O_(2)` react to form form water, what is left at the end of the reaction?

A

10mL of `H_(2)`

B

5 mL of `H_(2)`

C

10mL of `O_(2)`

D

5 mL of `O_(2)`

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A
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