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,

=2xx(5*g)/(58.32*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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