September 2018 1 23 Report

1. Oblicz zawartośc procentowa azotu w kwasie azotowym(V) HNO3

2. oblicz stezenie procentowe roztworu po zmieszaniu 200gram roztworu 10% i 50 gram roztworu 40% tej samej substancji

Warianty

a) 16 % b) 50% c) 12:% d) 20%


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