A student used an aluminum sample of 1.50grams.what is the minimum volume of a 3.00M KOH solutionn that would?

I'll assume the question is asking: How much KOH is needed to react completely with 1.5 g aluminum, assuming they react in a 1:1 ratio.

1.5g/26.98gm = 0.0556 mol Aluminum sample used. You need 0.0556mol KOH, at the least to react completely.

3M = 0.0556/(56.1*X)

Where X = volume of KOH needed

X = 0.330 mL

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