2) The following series of reactions were carried out. PbCO (s) + 2HNO:(aq) → Pb(NO3)2(aq) + H₂O(1) + CO2(g) Pb(NO3)2(aq) + 2HBr(aq) → 2HNO3(aq) + PbBrz(s) (a) If a student starts with 2.457 g of lead(II) carbonate for the first reaction and all other reagents are added in excess, what is the theoretical yield of lead(11) bromide solid? (b) If the student isolates 2.998 g of lead(11) bromide, what is the percent yield?

Chemistry for Engineering Students
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Author:Lawrence S. Brown, Tom Holme
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Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.69PAE: 4.69 The pictures below show a molecular-scale view of a chemical reaction between H2 and CO to...
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2) The following series of reactions were carried out.
PbCO3(s) + 2HNO3(aq) → Pb(NO3)2(aq) + H₂O(1) + CO2(g)
Pb(NO3)2(aq) + 2HBr(aq) → 2HNO3(aq) + PbBrz(s)
(a) If a student starts with 2.457 g of lead(II) carbonate for the first reaction and all
other reagents are added in excess, what is the theoretical yield of lead(II) bromide
solid?
(b) If the student isolates 2.998 g of lead(11) bromide, what is the percent yield?
Transcribed Image Text:2) The following series of reactions were carried out. PbCO3(s) + 2HNO3(aq) → Pb(NO3)2(aq) + H₂O(1) + CO2(g) Pb(NO3)2(aq) + 2HBr(aq) → 2HNO3(aq) + PbBrz(s) (a) If a student starts with 2.457 g of lead(II) carbonate for the first reaction and all other reagents are added in excess, what is the theoretical yield of lead(II) bromide solid? (b) If the student isolates 2.998 g of lead(11) bromide, what is the percent yield?
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