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Based on the balanced equation

2Al + 6HCl → 2AlCl3 + 3H2

calculate the number of excess reagent units remaining when 140 Al atoms and 402 HCl molecules react?

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nvm i figure out how to do this kind of problem but can u help me with my other question

I worked the second post before I looked at this one. Both are limiting reagent problems.

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