I need help understanding this. Also, can somebody teach me how to do this, (how to add formulas and stuff like that). Complete the chemical formula: H3O+ + OH-

NaO 2H.
H 2O.
H 2O +.
2H 2O.

For any aqueous solution [H3O+] ] [OH- ] = an EQ constant called Kw

Explanation:

You combine multiple reactions into a single equation by listing all the reactants on the left side of the equation and all the products on the right side of the equation. Simplification of the overall equation will eliminate chemical species that exist on both sides of the equation without change.

precipitation

explanation:

when it goes from cloud to rain/back to earth in the form of rain

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation: