Zad.1 mH3PO4=98u mNaOH=40u H3PO4 + 3NaOH---->Na3PO4 + 3H2O 98g kwasu-------3*40g NaOH 12g kwasu---------xg NaOHx = 14,7g NaOH Zad.2 mCO=28u 2CO + O2----->2CO2 2*28g CO-----1mol tlenu 11,2g CO--------xmoli tlenux = 0,2mola tlenu
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Zad.1
mH3PO4=98u
mNaOH=40u
H3PO4 + 3NaOH---->Na3PO4 + 3H2O
98g kwasu-------3*40g NaOH
12g kwasu---------xg NaOH
x = 14,7g NaOH
Zad.2
mCO=28u
2CO + O2----->2CO2
2*28g CO-----1mol tlenu
11,2g CO--------xmoli tlenu
x = 0,2mola tlenu