Enter your answer in the provided box. A solution is made by dissolving 18.7 g of HCI in enough water to make 486 mL of solution. Calculate the pH of the solution at 25°C.

A certain weak base has a ?b of 8.10×10−7. What concentration of this base will produce a pH of 10.13?

Calculate the pH of the solution.  Assume 1.0 L of solution. You must identify the type of solution before calculating the pH. Express all pH values to two decimal places.   0.050 moles Ca(OH)2

A certain solution has a pH of 3.7 at 25 °C.  What is the pOH of this solution?  Enter your answer with 1 decimal place.

Enter your answer in the provided box. Calculate the pH of a 0.43 M KOH solution. pH

In a particular solution, acetic acid is 18% ionized at 25°C. Calculate the pH of the solution and the mass of acetic acid (Ka = 1.8 x 10^-5) dissolved to yield 1.00 L of solution.

What is the pH of a solution of 0.65 M Acetic Acid? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 1.21 b 1.42 c 2.60 d 1.40 e 1.37 f 2.47 g 2.80 h 1.74 i 2.05

Formic acid, HCHO2, is used to make methyl formate (a fumigant for dried fruit) and ethyl formate (an artificial rum flavor). See the table for Ka.   What is the pH of a 0.14 M solution of formic acid? What is the degree of ionization of HCHO2 in this solution?

A chemist dissolves117.mg of pure nitric acid in enough water to make up 210.mL of solution. Calculate the pH of the solution. Round your answer to 3 significant decimal places.

Enter your answer in the provided box. The pH of a certain orange juice is 3.78. Calculate the H+ ion concentration.  [H+]=           M