Can you help me

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Sherif

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with this chem problem.
How many moles of hydrogen gas should be released when 1.37 moles of aluminum are reacted with excess KOH solution?

I don't need an answer, just guidance. I multiplied 1.37 * H2 gas and i got the wrong answer.

Equation:
2AL + 2KOH +6H20 ---------> 2K + 2Al(OH)4 + 3H2

i know it is prob easy but i can't get the concept. DOn't make fun of me 👍
 
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