Mr(KNO3)=39+14+(16*3)=101 г/моль
w(K)=39/101*100=38,6%
w(N) =14/101*100=13,9%
w(O3)=48/101*100=47,5%
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Mr(KNO3)=39+14+(16*3)=101 г/моль
w(K)=39/101*100=38,6%
w(N) =14/101*100=13,9%
w(O3)=48/101*100=47,5%
2, w(K)= 39 /101*100=38.6%
3. W(N)=14/101*100=13.9%
4.W(O)= 48/101*100=47.5%