June 2018 NY Regents Chemistry Exam
25 The concentration of which ion is increased when LiOH is dissolved in water?
(1) hydroxide ion
(2) hydrogen ion
(3) hydronium ion
(4) halide ion
Solution: LiOH is a base. Group 1 or 2 metals with OH are strong bases. Bases produce hydroxide ions when dissolved in water.
Answer: 1
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