Oblicz, ile gramów wodorotlenku sodu można otrzymać w reakcji 31 g tlenku sodu z wodą.
Na2O + H2O ---> 2NaOH
31g ----------------- xg
m Na2O = 62g/mol
m NaOH = 40g/mol
62g Na2O ------- 2*40g NaOH
31g ---------------- xg
x = 40g NaOH
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Na2O + H2O ---> 2NaOH
31g ----------------- xg
m Na2O = 62g/mol
m NaOH = 40g/mol
62g Na2O ------- 2*40g NaOH
31g ---------------- xg
x = 40g NaOH