Which of the following compounds is always part of an aqueous solution

Word equation for k(s) +h2o(l) yield koh (aq) + h2

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

If there are 3.5 moles of koh, how many moles of naoh can be produced? question 1 options: a)3.0 moles naoh b)3.5 moles naoh c)1 moles naoh d)9 moles naoh