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19 June, 16:15

What is the concentration of hydroxide ion in household ammonia, an aqueous solution of nh3 that has a ph of 11.50?

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  1. 19 June, 16:31
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    The concentration of hydroxide ion in household of ammonia that has a ph of 11.50 is calculated as follows

    as we well know Ph + POh = 14

    POh is therefore=14 - 11.50 = 2.5

    POh is calculated as follows

    POh = - log (-OH) = 2.5

    -OH concentration is therefore = 10^-2.5 = 3.162 x10^-3
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