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March 26, 2017

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consider the fo9rmula for Al2(SO4)3,which is used in perspirants:
a. how many moles of sulfur are present i 3.0 moles of Al2(SO4)3
b. ow many moles of aluminum ions are present in 0.40 mole of Al2(SO4)3

for a and b i multiplied by 6.02*1023 power andgot
a=18.06*1024
b=9.03 *1024

  • science (chem) - ,

    No need to count atoms/molecules.

    In 3.0 moles, there are 9.0 moles of S
    In .40 moles, there are .80 moles of Al ions

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