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Iron in FeO and Fe2O3
copper in Cu2O and CuO
sulphur in SO3 and H2SO4
manganese in MnO2 and KMnO4
Find the pH of a 0.00065 M HCl solution. The HCl is a strong acid and is 100% ionized in water.
Calculate the value of the ionization constant Kb if the pKb is 8.67
What is the pKb for Pyridine, if the value of Kb is 7.7 x 10-9?
Calculate the value of the ionization constant Ka, if the pKa is 5.64
What is the pKa of benzoic acid if Ka for benzoic acid 6.3 x 10.5?
A solution has a pOH of 13.23. What is the pH of this solution?
What is the hydroxide ion concentration in a solution that has a pOH of 7.50?
What is the pOH of a solution that has a hydroxide ion concentration of 2.82 x 10-8 M?
Magnesium hydroxide solid is added into 50 cm^3 of 1.5 mol dm^-3 nitric acid. The mixture is stirred until there is no more change observed. Calculate the mass of magnesium hydroxide needed to react completely with the nitric acid
#340153 on Dec 2023