The directions for a laboratory activity call for 50 ml of solution A. A student accidentally takes 55ml from the stock bottle. What should the student do with the extra 5 ml of solution A? a-Return the extra 5ml to the stock bottle and replace the cap.
b-pour the extra 5 ml down the drain and rinse the sink with cold water
c-dilute the extra 5 ml with 100 ml of water and pour it down the drain
d-set the extra 5 ml aside in a labeled beaker and ask the teacher for advice