An unknown solution has a pH of 7.1. Which of these chemicals is likely to increase the pH the most when added to the solution? O HF O KOH O NH3 O HNO3

Which of the following solutions has the lowest pH?     0.10 M C6H5COOH     0.10 M CH3NH2     0.10 M HF     0.10 M HClO4     0.10 M Ba(OH)2

Figure out whether whether the pH increases, decreases, or stays the same when the first substance mentioned in each of the multiple choices is added to a solution of the second substance and then pick the correct statement. a) When potassium bromide is added to a solution of potassium hydroxide the pH decreases.b) When NaNO2 is added to a solution of HNO2 the pH decreases.c) When NaNO3 is added to a solution of HCl the pH increases.d) When NaClO4 is added to a solution of NaOH the pH stays the same.e) When Ca(C7H5O2)2 is added to a solution of HC7H5O2 the pH decreases.

What is the pH of a solution in which 15 mL of 0.16 M NaOH is added to 25 mL of 0.16 M HCl? pH =

Write the formulas and names of 3 salts that can be formed from the base lithium hydroxide

Classify each of the following substances as either a strong or weak acid, strong or weak base, or a soluble or insolu NH3 HCN BaBr2 HF CH3COOH Clear All strong acid weak acid strong base weak base soluble salt insoluble salt

If the pOH of an aqueous NaOH solution is 11.55, what is the [H3O+] for this solution? 6.8 x 10-8 M 5.0 x 10-12 M 3.0 x 10-3 M 3.5 x 10-3 M

Enough water was mixed with 1.26 g of sodium hydroxide (40.0 g/mol) to make a 500. mL solution. What is the pH of this NaOH solution?