Hydronium ion, H3O+, is what gives a low pH to an aqueous solution. Hydronium ion is made when an acid donates a hydrogen ion to a water molecule.    Hydroxide ion, OH- â¦ , gives a higher pH to an aqueous solution. Hydroxide ions are found in bases; a base donates hydroxide ions to water.   Combining H3O+ + OH-makes 2 H2O.he hydronium ion is a polyatomic ion that forms when an acid releases a proton (H+) to a water molecule.
For the most part, the media seems to grasp the key features of electric-car maker Tesla Motors' (NASDAQ:TSLA) new Model X -- at least all features except for one critical element: price. Most media outlets are still asserting the Model X will start at $132,000. But this figure is off by quite a bit.
Tesla Offers Lower-Price Model S Sedan. A new version of the Model S will be priced starting at $66,000. Updated June 9, 2016 7:23 p.m. Tesla Motors Inc. released a lower-priced version of its Model S electric sedan, a move to tap into the huge enthusiasm for its coming Model 3 and boost flagging sales growth of its existing cars. On Thursday, it began selling a $66,000 version of its Model S with a battery modified to limit its travel range to about 200 miles on a charge.