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    bthurston7's Avatar
    bthurston7 Posts: 1, Reputation: 1
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    #1

    Nov 12, 2010, 12:12 PM
    Mass
    If one atomic mass unit is equal to 1.6606 x 10-24 g, what is the mass in grams of 72355 atoms of Fe?
    DrBob1's Avatar
    DrBob1 Posts: 425, Reputation: 86
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    #2

    Nov 12, 2010, 02:40 PM
    If one brick weighs 1.6606 Kg, how much would 72355 bricks weigh?
    Let's make it really easy: if a brick weighs 1 Kg, how much do 7 bricks weigh?
    You can do it!
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