Ph Practice Worksheet Answers

Created Date: 5/21/2013 6:41:25 AM

View pH Practice Worksheet Problems.docx from BIOLOGY 14 at Lake Nona High. pH Practice Worksheet BIOL-107 Background/Concept Review Questions: 1. pH is dependent on what two ions? 2. What pH value

Solutions Note: The significant figures in the concentration of [H+] or [OH -] is equal to the number of decimal places in the pH or pOH and vice versa. 1) What is the pH of a 0.0235 M HCl solution? pH = -log[H+] = -log(0.0235) = 1.629 2) What is the pOH of a 0.0235 M HCl solution?

Name: Date: pH and pOH About Chemistry http://chemistry.about.com Fill in the missing sections: [H+] pH [OH-] pOH Acid or Base 1. 1 x 10-6 6 1 x 10-8 8 Acid 2. 1 x 10 …

pH Practice Problems with Answers 1. Phosphoric acid (H3PO4) has three dissociable protons, with the pKa’s shown below. Which form of phosphoric acid predominates in a solution at pH 4? Acid p Ka H 3 PO 4 2.14 H 2 PO 4– 6.86 HPO 42– 12.4

pH practice 1) What is the pH and pOH of a 1.2 x 10-3HBr solution? 2) What is the pH and pOH of a 2.34 x 10-5NaOH solution? 3) What is the pH and pOH of a solution made by adding water to 15 grams of hydroiodic acid until the volume of the solution is 2500 mL? 6) A swimming pool has a volume of one million liters.

pH practice – Answers. 1) What is the pH and pOH of a 1.2 x 10-3 HBr solution? pH: 2.9 pOH: 11.1. 2) What is the pH and pOH of a 2.34 x 10-5 NaOH solution? pOH: 4.6 pH: 9.4. 3) What is the pH and pOH of a solution made by adding water to 15 grams of hydroiodic acid until the volume of the solution is 2500 mL? pH: 1.6 pOH: 12.4

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