18-02-2021
Chemia

Rozwiązane

Proszę o to jest na 20 min

Proszę O To Jest Na 20 Min class=

Odpowiedź :

Wrybicki23 Wrybicki23

18-02-2021

Odpowiedź:

a) Tlenek sodu

b) Siarczek potasu

c) Chlorek glinu

d) Bromek żelaza(III)

e) Siarczek żelaza(II)

Answer Link

Jxgakdgbzsk Jxgakdgbzsk

18-02-2021

Odpowiedź:

Na20=2*23u+1*16u=46u+16u=62u

K2S=2*39u+1*32u=71u+32u=103u

AlCl3=1*27u+3*35,5u=27u+105,5u

FeBr3=1*56u+3*80u=56u+240u=296u

FeS=1*56u+1*32u=56u+32u=88u

Answer Link

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