A few drops of dilute sodium hydroxide solution react to form a white precipitate with aluminium ions, calcium ions and magnesium ions. However, if excess sodium hydroxide solution is added ...

0.5 mol of sodium hydroxide is dissolved in 2 dm 3 of water. Calculate the concentration of the sodium hydroxide solution formed. \(Concentration~in~mol/dm^{3} = \frac{amount~of~solute~in~mol}{ ...