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a fost răspuns

ms1 = 200g
C1 = 20 %
C2 = 36 %
Cf = 30 %
ms2 = ?

Răspuns :

Puia68
c=mdx100/ms---> md= cxms/100

md1= 40g
c,f= (md1+md2)x100/(ms1+ms2)
30= (40+ 0,36xms2)x100/ (200+ms2)
6000+30ms2= 4000+ 36ms2
2000= 6ms2----> ms2=333,3g

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