Lead nitrate can be decomposed by heating. What is the percent yield of the decomposition reaction if 9.9 g of Pb (NO3) 2 are heated to give 5.5 g of PbO? 2Pb (NO3) 2 (s) → 2PbO (s) + 4NO2 (

g. + O2 (

g.

Question

Chemistry

Elvis Baxter

20 June, 01:41

Lead nitrate can be decomposed by heating. What is the percent yield of the decomposition reaction if 9.9 g of Pb (NO3) 2 are heated to give 5.5 g of PbO? 2Pb (NO3) 2 (s) → 2PbO (s) + 4NO2 (

g. + O2 (

g.

+5

Answers (1)

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Serenity · Answer 1

2Pb (NO₃) ₂ = 2PbO + 4NO₂ + O₂

m{Pb (NO₃) ₂}=9.9 g

m'{PbO}=5.5 g

M{Pb (NO₃) ₂}=331.2 g/mol

M{PbO}=223.2 g/mol

w-?

w=m'{PbO}/m{PbO}

m{PbO}=M{PbO}m{Pb (NO₃) ₂}/M{Pb (NO₃) ₂}

w=m'{PbO}M{Pb (NO₃) ₂}/[M{PbO}m{Pb (NO₃) ₂}]

w=5.5*331.2/[223.2*9.9]=0.8244 (82.44%)

Lead nitrate can be decomposed by heating. What is the percent yield of the decomposition reaction if 9.9 g of Pb (NO3) 2 are heated to give 5.5 g of PbO? 2Pb (NO3) 2 (s) → 2PbO (s) + 4NO2 (g. + O2 (g.

Lead nitrate can be decomposed by heating. What is the percent yield of the decomposition reaction if 9.9 g of Pb (NO3) 2 are heated to give 5.5 g of PbO? 2Pb (NO3) 2 (s) → 2PbO (s) + 4NO2 (

g. + O2 (

g.