Two separate aqueous samples are analyzed at 25\,∘C.
• Solution X has a measured pH of 4.00.
• Solution Y has [OH−]=8.0×10−6M.
Which statement correctly classifies each solution as acidic, basic, or neutral?
a) Solution X is acidic and Solution Y is neutral.
b) Solution X is neutral and Solution Y is basic.
c) Solution X is acidic and Solution Y is basic.
d) Solution X is acidic and Solution Y is acidic.