Which of the following aqueous solutions at 25 °C is neutral?

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

Problem

Which of the following aqueous solutions at 25 °C is neutral? (a)

pH = 6.98

(b)

[H_3O^+] = 1.0 \times 10^{-7}\,\text{M}

(c)

pOH = 6.98

(d)

[H_3O^+] = 1.3 \times 10^{-7}\,\text{M}