Science Bowl Question

W) diluting a buffer with water can change the pH of the water

X) metal cations can act as weak acids in water solutions

Y) an acid whose Ka = 6 × 10^–10 is weaker than an acid whose Ka = 5.8 × 10^-4

Z) an acid whose pKa is 3.0 is stronger than an acid whose pKa is 7.0