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A few weeks ago i purchased some new Bose QC15 headphones. They are great, but the cord is really long and i would prefer to just not have one at all. I'm wondering if there is some sort of adapter to make the headphones connect through bluetooth with my ipod touch (or other audio bluetooth...

You are given a 0.252 g sample of a copper-containing alloy and asked to determine the weight percent of copper. After dissolving the metal in acid, you add an excess of KI, and the Cu2+ and I- ions undergo the reaction 2Cu2+(aq) + 5I-(aq) CuI(s) + I3-(aq) The liberated I3- is titrated...