Science Chemistry
Calculate the loss in mass if 20.2g of KNO3 crystals was completely decomposed(K=39,N=14,O=16
The question isn't clear. Decomposed to what? KNO2 + O2? K _ N2 + O2, K2O + NO2? I suspect to KNO2 + O2 but I don't know that and, in my opinion, that isn't completely decomposed.
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