Răspunsuri

2014-06-01T11:45:31+03:00
C1=md1/ms1*100=>md1=400*16/100=64g
c2=md2/ms2*100=>md2=500*24/100=120 g
c final = (64+120)/(400+500) * 100 = 20,444%
1 5 1
2014-06-01T15:46:29+03:00
a) c1=md1/ms1*100
=md1=400*16/100
=64g
b) c2=md2/ms2*100
=md2=500*24/100
=120 g
c) c  = (64+120):(400+500) * 100
 = 20,444%