Homework Help: chemistry

Posted by Deane on Thursday, November 15, 2012 at 7:32pm.

Part A

6.00×10−3 mol of HBr are dissolved in water to make 16.0L of solution. What is the concentration of hydroxide ions,[OH-], in this solution?

Express your answer with the appropriate units.

chemistry - DrBob222, Thursday, November 15, 2012 at 11:41pm
M = mols/L = 6.00E-3/16.0 = ? = (H^+)

pH = -log (H^+)
Then pH + pOH = pKw = 14
You know pH and pKw, solve for pOH and from that use pOH = -log(OH^-) and solve for OH^-

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