August 2018 1 16 Report
Zad1.
Oblicz stezenie procentowe roztworu saletry otrzymanego przez dodanie:
a)2,5g saletry do 50 g roztworu tej saletry o stezeniu 5%,
b)5g saletry do 50g roztworu tej saletry o stezeniu 20%.
Zadanie ma mieć też dane xD
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