What is the number of moles of hydroxide ions in a 5⋅g mass of magnesium hydroxide?

1 Answer
anor277
Apr 9, 2017

Approx. 0.2⋅mol.

Explanation:

There are 2 equiv hydroxide ion per equiv of magnesium hydroxide; and thus moles of hydroxide,

=2×5⋅g58.32⋅g⋅mol−1=0.188⋅mol WITH RESPECT TO HYDROXIDE IONS. What would be the pH of a solution of this material if we made up the volume to 1.00⋅L?

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