Which of the following 25 °C aqueous solutions is expected to have the highest pH?

CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Which of the following 25 °C aqueous solutions is expected to have the highest pH? (a)

0.030\;\text{M}\;\mathrm{Ba(OH)_2(aq)}

(b)

0.100\;\text{M}\;\mathrm{HCl(aq)}

(c)

0.080\;\text{M}\;\mathrm{KOH(aq)}

(d)

0.050\;\text{M}\;\mathrm{NaOH(aq)}