Answer:
[H⁺]/[OH⁻] = 10¹⁰
Step-by-step explanation:
pH + pOH = 14.00
2 + pOH = 14 .00
pOH = 12
[H⁺] = 10⁻² mol·L⁻¹
[OH⁻] = 10⁻¹² mol·L⁻¹
[H⁺]/[OH⁻] = 10⁻²/10⁻¹²