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URGEEENT

Se amesteca 50,g sirop de o concentratie de 10% cu 200 g de solutie devsirop cu concentratia de 30%. Care e concentratia finala?

Răspuns :

Moonlight01
C1=md1/ms1*100=>md1=C1*ms1/100=10*50/100=5g

C2=md2/ms2*100=>md2=C2*ms2/100=30*200/100=60g 

mdf = md1+md2=65g

msf=ms1+ms2=50+200=250g 

Cf=mdf/msf*100=65/250*100 = 

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