October 2018 1 19 Report

zad1. do 300g 20% roztowu koh dodano 30g stalego koh.Oblicz cp nowo otrzymanego roztworu.

zad2. oblicz mase naoh jaka trzeba rozpuscic 250dm szesciennych roztowu tak aby roztwor mial stezenie 3 mole na dm szescienny

zad3.oblicz ilosc moli nano3 rozpuszczonej w 2dm szescienne roztowu 3molowego


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