Chemistry 12 Worksheet 4-3 pH and pOH Calculations pH and pOH Calculations Name Due Date Correct and Hand In by 1. Find the pH of the following solutions. Make sure you express your answer in the correct number of significant digits. 12 marks a 0. 0010 M HClO 4. b 2. 35 x 10-3 M KOH c 4. 678 x 10-5 M HNO3. d 12. 0 M HCl. e 0. 20 M Ba OH 2. f 4. 30 M H3O. 2. Find the H3O in 0. 00256 M HBr. 1 mark Answer 6. Find the OH- in 0. 150 M HClO 4 2 marks Page 1 of 2 Pages - 8. Find the OH in a solution with a pOH 2. 156 1 mark 11. Solution A has a pH of 3. 0 while solution B has a pH of 7. a Which solution is more acidic 1 mark b The H3O in solution A is times as high as it is in solution B 1 mark. 12. How much water should be added to 500. 0 mL of a solution of HCl with a pH of 2. 00 to bring the pH to 2. 50. Show all your work. 3 marks 13. What mass of NaOH should be added to 300. 0 mL of water in order to prepare a solution with a pH 11. Find the pH of the following solutions. Make sure you e....
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The pH and pOH worksheet is a vital tool for understanding the acidity and basicity of various solutions. This guide will help you fill out the worksheet online with clarity and confidence.
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- Begin by entering your name in the designated field provided at the top of the worksheet. This personalizes your submission.
- Next, input the due date as specified for the assignment in the relevant field to keep track of your submission deadlines.
- In the first section, calculate the pH for each listed solution based on its concentration. Ensure you express your answers using the correct number of significant digits as stated in the instructions.
- Proceed to calculate the hydronium ion concentration for the solutions given. For example, for the 0.00256 M HBr, enter your calculated results in the answer field provided.
- Continue to fill in the remaining calculations for the hydronium and hydroxide ion concentrations as required for each solution.
- When you reach the questions that involve comparisons of acidity or dilution calculations, ensure all work is shown in designated answer fields as specified.
- Review any additional questions that assess your understanding of the concepts and input your solutions accordingly.
- Once you have completed all sections, carefully review your entries for accuracy and completeness.
- Finally, save your changes, download the completed worksheet, print it for your records, or share it with your instructor as required.
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