1) 2NaOH + CO2 = Na2CO3 + H2O
2) n(NaOH) = m/M = 10/40 = 0,25 моль
3) n(CO2) = m/M = 11/33 = 0,33 моль
4) n(NaOH)/n(CO2) = 1 => n(CO2)реаг = 0,25/2 = 0,125 моль
5) m(Na2CO3) = n*M = 0,125(2*23+12++16*3) = 13,25 моль
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Answers & Comments
1) 2NaOH + CO2 = Na2CO3 + H2O
2) n(NaOH) = m/M = 10/40 = 0,25 моль
3) n(CO2) = m/M = 11/33 = 0,33 моль
4) n(NaOH)/n(CO2) = 1 => n(CO2)реаг = 0,25/2 = 0,125 моль
5) m(Na2CO3) = n*M = 0,125(2*23+12++16*3) = 13,25 моль