A student titrates 30.00 mL of HBr with 0.215 M Ca(OH)2. She uses 25.3 mL of 0.215 M Ca(OH)2 to reach the equivalence point. What is the concentration of HBr? Ca(OH)2 + 2HBr → CaBr2 + 2H2O

What is the best description of the molecular geometry of a molecule that has four electron groups around its central atom and has two surrounding atoms and two long pairs.

Question 8abcd.JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.

Question 7(2).JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.

Question 3ab.JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.

Question 7(2).JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.

Question 3ab.JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.

Question 10abcd.JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.

Question 1ab.JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.

Question 4(3).JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.