An old 0.500 L lecture bottle of triethylamine (N(CH₂CH₃)₃)…

An old 0.500 L lecture bottle of triethylamine (N(CH₂CH₃)₃) (MW=101.19 g/mol)  was found in a lab and needed for a synthesis reaction. A pressure regulator indicated a pressure of 1.70 atm, and the lab was at room temperature (25.0°C). What mass of vaporized triethylamine in grams was left in the lecture bottle?

BONUS QUESTION   How many milligrams of sodium chloride shou…

BONUS QUESTION   How many milligrams of sodium chloride should be used to make the below solution isotonic? E values:  Homatropine HBr = 0.17    Rx Homatropine HBr       1% NaCl       qs Purified water        qs  15 mL M.ft. isotonic solution

65.   At time zero, you added 10 cells to a culture medium. …

65.   At time zero, you added 10 cells to a culture medium.  If you allowed the cells  to divide 5 times, how many cells will be in the culture at the end of the  experiment.               A. 10;       B.  20;       C.  32;       D.  160;       E.  320