Suppose equilibrium is established for the following reaction:

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Once similarity and one difference between a mixture of elements and a mixture of compounds

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ