# If 10 grams of iron contain 'y' atoms, how many grams of aluminum will contain 'y' atoms.? Follow 1 answer?

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- pisgahchemistLv 73 weeks ago
10 grams of iron....

10.0g Fe x (6.022x10^23 atoms Fe / 55.8g Fe) = xg Al x (6.022x10^23 atoms Al / 27.0g Al)

simplify:

10.0 / 55.8 = x / 27.0

x = 4.84g Al

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