For each of the following strong base solutions, determine [OH−],[H₃O+], pH, and pOH
A) 0.11 M NaOH
B) 1.5 x 10⁻³ M Ca(OH) ₂
C) 4.8 x 10⁻⁴M Sr(OH) ₂
D) 8.7 x 10⁻⁵ M KOH