mNa=23u
mH2O=18u
mNaOH=40u
2Na + 2H2O ---> 2NaOH + H2
2*23g Na ----- 2*40g NaOH
xg Na ---------- 20g NaOH
x = 11,5g Na
2*18g H2O ----- 2*40g NaOH
xg H2O ---------- 20g NaOH
x = 9g H2O
Obliczanie masy sodu
2 Na + 2 H2O ---> 2 NaOH + H2
x g______________20g
46g_____________80g
x= 11,5g Na
Obliczanie masy wody
2 Na + 2 H2O --> 2 NaOH + H2
x g______20g
36g_____80g
x= 9g H2O
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mNa=23u
mH2O=18u
mNaOH=40u
2Na + 2H2O ---> 2NaOH + H2
2*23g Na ----- 2*40g NaOH
xg Na ---------- 20g NaOH
x = 11,5g Na
2*18g H2O ----- 2*40g NaOH
xg H2O ---------- 20g NaOH
x = 9g H2O
Obliczanie masy sodu
2 Na + 2 H2O ---> 2 NaOH + H2
x g______________20g
46g_____________80g
x= 11,5g Na
Obliczanie masy wody
2 Na + 2 H2O --> 2 NaOH + H2
x g______20g
36g_____80g
x= 9g H2O