m1(KOH)=200 г*10%/100%= 20 г
m2(KOH)=100 г*30%/100%= 30 г
m(КОН общ)= 20г+30г=50г
m(р-ра)=200г+100г=300г
W(KOH)=50г/300г*100%=16,67%
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m1(KOH)=200 г*10%/100%= 20 г
m2(KOH)=100 г*30%/100%= 30 г
m(КОН общ)= 20г+30г=50г
m(р-ра)=200г+100г=300г
W(KOH)=50г/300г*100%=16,67%