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6 NaOH + 2 Al ---> 2 Na3AlO3 + 3 H2

How many moles of NaOH are required to produce 3 g of hydrogen?

2 answers

Convert 3 g H2 to moles. #moles = grams/molar mass.
Convert moles H2 to moles NaOH using the coefficients in the balanced equation. You're there.
im not sure
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