Which ion is formed when two water molecules react with each other?

In no more than 3-4 sentences explain how the polarity of water leads to solid water being less dense than liquid water and to water's ability to dissolve ionic substances such as NaCl.

Magnesium oxide is sometimes used as an antacid to help with indigestion and stomach upset caused by excess stomach acid (hydrochloric acid). Write two balanced chemical equations to  explain how this works. One should be a synthesis and the other a neutralization.

How many total  ions are released when 125 g of strontium bicarbonate are dissolved in water?

Which of the following pairs of reactants is likely to produce a solid ionic compound when the reactants react together? a) H2(g) + O2(g) ® b) Pb(NO3)2(aq) + KI(aq) ® c) CH4(g) + O2(g) ® d) HCl(aq) + NaOH(aq) ®

Which ions are formed when HBr dissolves in water to form ions?     HBr+ and HBr - HBr, + , and HBr , - H+ and Br - H, +, and Br , - H and Br H and Br H- and Br+

What happens to sodium carbonate when it dissolves in water?

What is the concentration of cadmium ion?

17.2 g of Na3PO4 is dissolved in 2.10 L of water. What is the number of ions per mL in the solution?

26. Hydrofluoric acid is a commonly used but very dangerous industrial chemical. A waste drum containing 88.0 L of 5.0 mol/L hydrofluoric acid needs to be neutralized so that it isn't hazardous. Calculate the mass of potassium hydroxide pellets that would be required to completely neutralize the acid.