CHEM 102 (University Chemistry)

What must be the molarity of an aqueous solution of trimethylamine, (CH3)3N, if it has a pH = 11.20?

(CH3)3N(aq)+H2O(l) double arrow (CH3)3NH+(aq)+OH-(aq)

Kb value = 6.3x10^-5 mol/L

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  1. I worked this problem for Allan below.
    http://www.jiskha.com/display.cgi?id=1317528123

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  2. Find the inverse of the matrices, if they exist. Use the algorithm introduced in this section.

    1 2 -1
    -4 -7 3
    -2 -6 4

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