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Answer:
If pOH is 3.05, pH is 10.95 or
[H+]=1.122⋅10−11 mol/L
Explanation:
pH=−log(H+)Now, what is H+
if your pH is 10.95 (since pH+pOH=14, your pH=10.95).
(H+)=10 −10.95
(H+)=1.122⋅10 −11
This is your hydrogen ion concentration: [H+]=0.00000000001122 mol/L
4C₃H₅(NO₃)₃
------> 12CO₂
+ 6N₂
+ 10H₂O
+ O₂
mol of CO₂ = 
= 
mol ratio of CO₂ : C₃H₅(NO₃)₃
12 : 4
∴ if mole of CO₂ = 0.568 mol
then " " C₃H₅(NO₃)₃ = 
= 0.189 mol
∴ mass of nitroglycerin = mole * Mr
= 0.189 mol * 227.0995 g / mol
= 43.00 g
I think it’s B energy of the reactants