Which of the following solutions would be most basic
A 0.01M in HNO₃ and 0.01M in NaOH
B 0.01M in NH₄Cl and 0.01M in HCN
C 0.1M in Na₂SO₄ and 0.1M in NaF
D 0.01M in KCl and 0.01M in K₂SO₄