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MolSynapse / Question bank / s-Block Elements / Important compounds: NaOH, Na2CO3, NaHCO3, CaO, CaCO3, plaster of Paris
JEE Main levelSingle correct optionDifficulty 2 of 3sb190

0.30 mol of and 0.20 mol of are dissolved together in water. Sodium-containing species in the final solution (apart from counted as spectator) are

  1. A0.10 mol and 0.20 mol
  2. B0.20 mol and 0.10 mol
  3. C0.30 mol and 0.20 mol
  4. D0.20 mol and 0.10 mol

Answer: B

is 1 : 1. All 0.20 mol of reacts with 0.20 mol , giving 0.20 mol and leaving mol .
Practice s-Block Elements More on Important compounds: NaOH, Na2CO3, NaHCO3, CaO, CaCO3, plaster of Paris

More questions on Important compounds: NaOH, Na2CO3, NaHCO3, CaO, CaCO3, plaster of Paris