Astudent is extracting caffeine from water with dichloromethane. the k value is 4.6. if the student starts with a total of 40 mg of caffeine in 2 ml of water and extracts once with 6 ml of nioromethane, how much caffeine will be in the dichloromethane extract? show all work.
Answers: 1
Chemistry, 21.06.2019 18:10, hunterthompson2
Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o
Answers: 2
Chemistry, 22.06.2019 03:00, ian2006huang
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
Answers: 3
Astudent is extracting caffeine from water with dichloromethane. the k value is 4.6. if the student...
Mathematics, 26.06.2020 22:01