1.

If 30mL of `H_(2) and 20mL of `O_(2)`, reacts to form `H_(2)O`, what is left at the end of the reaction?A. 10mL of `H_(2)`B. 5mL of `H_(2)`C. 10mL of `O_(2)`D. 5mL of `O_(2)`

Answer» Correct Answer - D
`H_(2) (g) +(1)/(2) O_(2)(g) to H_(2)O(g)`
`{:(,"Initially", 30, 20,0),(,"After the reaction",0,(20-15),30):}`


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