A solution of ammonia has a pH of 11.8. What is the concentration of OH– ions in the solution?
Useful formulas include StartBracket upper H subscript 3 upper O superscript plus EndBracket equals 10 superscript negative p H., StartBracket upper O upper H superscript minus EndBracket equals 10 superscript negative p O H., p H plus P O H equals 14., and StartBracket upper H subscript 3 upper O superscript plus EndBracket StartBracket upper O upper H superscript minus EndBracket equals 10 to the negative 14 power..
1.58 x 10^–12 M
6.31 x 10^–3 M
2.20 M
158 M