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Posted by on Wednesday, March 25, 2009 at 9:59pm.

How many atoms of aluminum are there in 125 g of aluminum foil?

  • chemistry need help - , Wednesday, March 25, 2009 at 10:07pm

    find the number of moles of al.

    then multiply by avagradro's number.

  • chemistry need help - , Wednesday, March 25, 2009 at 10:08pm

    1. Divide the grams of aluminum by the molar mass of aluminum (26.98g/mole) to convert mass to moles.

    2. Multiply the number of moles of aluminum by Avogadro's Number (6.02x10^23 atoms/mole).

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