October 2018 2 122 Report

1. do 100 g 15% roztworu chlorku sodu dodano 5 g stalego NaCl. Oblicz stezenie procentowe roztworu

2.zmieszano 200cm[szescienne] dwumolowego roztworu pewnej soli i 100cm[szescienne] półmolowego roztworu tej soli. oblicz stezenie molowe koncowe


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