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Answer:

There are 1.8 moles of aluminum.

Explanation:

To solve this problem we need to convert moles of pyrophillite (Al₂Si₄O₁₀(OH)) into moles of aluminum (Al):

  • In one mol of Al₂Si₄O₁₀(OH) there are two moles of Al.

With the above information in mind we can now do the conversion:

  • 0.900 moles Al₂Si₄O₁₀(OH) * [tex]\frac{2molAl}{1molAl_2Si_4O_{10}(OH)}[/tex]= 1.8 mol Al

Thus the answer is that there are 1.8 moles of aluminum.

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