Kayhanyilmazgilrans
Answered

Puan Ya 3. Kütlece %25'lik 300 g KNO3 çözeltisine kaç gram su eklenirse çözeltinin derişimi kütlece %15 olur? A) 100 B) 200 C) 250 D) 300 E) 700​

Sagot :

Drkardanadamrans

%25×300=75

75/(300+x) =15/100

x=200 olur.

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