contestada

What volume of nitrogen dioxide (in L) is produced from the complete reaction of 16.87g of lead(II)nitrate at STP 2Pb(NO3)2 (g) -->2PbO(s) + 4NO2(g) + O2

Respuesta :

mPb(NO₃)₂: 331 g/mol
----------------------------

2Pb(NO₃)₂  ----> 2PbO + 4NO + O
2×331g                         4×22,4dm³

662g 
Pb(NO₃)₂ ---------- 89,6 dm³ NO
16,87g Pb(NO₃)₂ -------  X
X = (89,6×16,87)/662
X = 2,2833 dm³ = 2,2833 L NO₂