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posted by Maryanne on Thursday, September 30, 2010 at 8:47pm.
What is the mass in grams of 4.556 x 10^30 lead atoms? Also the work.
There are 6.022 x 10^23 atoms in a mole; thus there are 4.556 x 10^30 atoms/6.022 x 10^23 = ?? moles Pb. Then g = moles x molar mass
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