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Chemistry
Emery Weaver
19 September, 02:28
Calculate the percent of lead in Pb (Co3) 2
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Cruz Allison
19 September, 06:00
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We will take that molar mass of Pb (CO3) 2 represents the total mass of all particles in this compound, ie it has value 100%.
M (Pb (CO3) 2) = Ar (Pb) + 2xAr (C) + 6xAr (O) = 207.2 + 2x12 + 6x16 = 327.2 g/mol
M (Pb) = 207.2 g/mol
From the date above we can set the following ratio:
M (Pb (CO3) 2) : M (Pb) = 100% : x
327.2 : 207.2 = 100 : x
x = 63.33% of Pb there is in Pb (Co3) 2
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