Question 6: What is the first thing to do after putting a weighing boat on the balance?
Question 7: If you have excess reagent on the weighing boat, what should you avoid doing and why?
Question 8: If you had the choice between a 1 liter beaker and a 1 liter graduated cylinder, which one should you use to measure volumes with maximal precision when making 1 liter of PBS? (you can perform an internet search to find this if you are not sure of the answer)
Question 9: What should be done before measuring an unknown pH of a solution using a pH meter?
Dear FRIDAY, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order