Ответ:
Na + H2O = NaOH + 0.5H2
n(Na) = 4.6/23 = 0.2 моль
m(NaOH) = 0.2 × 40 = 8г
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Ответ:
Na + H2O = NaOH + 0.5H2
n(Na) = 4.6/23 = 0.2 моль
m(NaOH) = 0.2 × 40 = 8г