September 2018 1 13 Report

Zad 1

Oblicz masę:

a) 2 moli atomów magnezu

b) 3 moli cząsteczek azotu

c) \frac{1}{2} cząsteczki tlenku siarki (VI)

ZAd.2

Oblicz , ile moli cząsteczek H2O zawarte jest w 90g lodu.


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