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Chemistry

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Determine the # of moles of Al2S3 that can be prepared by the reaction of 0.400 moles of Aluminum with 0.700 moles of Sulfur, and Also find the # of moles of reactant in excess

  • Chemistry -

    See the response to your question before this. I solve these limiting reagent problems (you know it is a limiting reagent problem when BOTH reactants are given) by solving TWO separate simple stoichiometry problems as in the previous example. You will obtain two answers, of course, but the correct answer in limiting reagent problems is ALWAYS the smaller one. The amount of reagent in excess is worked as a simple stoichiometry problem, too. Post your work if you get stuck.

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