September 2018 1 13 Report
1. Do 80 gram 30% roztworu soli dodano 20 gram tej soli. Oblicz stężenie % otrzymanego roztworu. 2.Do 100 gram 50% roztworu dodano 40 gram wody. Oblicz cp. 3.Z 60 gram 40% roztworu soli odparowano 10 gram wody. Oblicz stężenie % danego roztworu.
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