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 one year ago
gen chem 1: A sample of PbCO3 , XPb(OH)2 was heated with excess sulfuric acid, yielding PbSO4, H2O, and CO2. If 2.280g of PbSO4 and 0.1104g of CO2 were obtained, what is the value of X?
 one year ago
gen chem 1: A sample of PbCO3 , XPb(OH)2 was heated with excess sulfuric acid, yielding PbSO4, H2O, and CO2. If 2.280g of PbSO4 and 0.1104g of CO2 were obtained, what is the value of X?

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gedtajia
 one year ago
Best ResponseYou've already chosen the best response.0So, PbCO3 XPb(OH)2 + H2SO4 > PbSO4 + H2O unbalanced

gedtajia
 one year ago
Best ResponseYou've already chosen the best response.0oops i meant PbCO3 XPb(OH)2 + H2SO4 > PbSO4 + H2O + CO2 unbalanced

gedtajia
 one year ago
Best ResponseYou've already chosen the best response.0I traced CO2 to PbCO3, one mole of PbCO3 = one mole of CO2.

gedtajia
 one year ago
Best ResponseYou've already chosen the best response.0I saw a yahoo answer that said the next solution is to trace PbSO4 to XPb(OH)2, I wonder how that's possible since there are two sources of Pb

thushananth01
 one year ago
Best ResponseYou've already chosen the best response.0did u get the answer?

aaronq
 one year ago
Best ResponseYou've already chosen the best response.1so you find the moles of PbSO4 and CO2, their ratio is 3:1 use the equation: PbCO3 XPb(OH)2 + H2SO4 > PbSO4 + H2O + CO2 3 1 notice that the only source of SO4 is H2SO4, so: PbCO3 XPb(OH)2 + H2SO4 > PbSO4 + H2O + CO2 3 3 1 only source of C from CO3 is C from CO2, PbCO3 XPb(OH)2 + H2SO4 > PbSO4 + H2O + CO2 1 3 3 1 the result from 3 moles of Pb produced, 3: so , PbCO3 XPb(OH)2 + H2SO4 > PbSO4 + H2O + CO2 1 2 3 3 1 now just add up the oxygens
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