October 2018 1 14 Report

1. Oblicz masy molowe związków :

a).Al (OH)_3[/tex]

b). (NH_4)_2 CO_3

c). Ca_3 (PO_3)_2

d). Al_2S_3

2. Oblicz ile gramów tlenu znajduje się w :

a). 10g Al(OH)_3

b). 0,2 mola HNO_3


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