How to calculate hydroxide ion concentration

[From: ] [author: ] [Date: 12-05-13] [Hit: ]

1x10^-14 / 0.04M = [OH-] = 2.......

Calculate the hydroxide ion concentration in a solution prepared by dissolving 0.37g of HCl in water to form 250mL of solution.

0.37g / 36.45g/mole = 0.01moles HCl
0.01moles / 0.25L = 0.04M

Kw = [H+] x [OH-]
1x10^-14 / 0.04M = [OH-] = 2.5x10^-13M

keywords: hydroxide,to,How,ion,calculate,concentration,How to calculate hydroxide ion concentration