A sample of a hydrocarbon was found to contain 62.02% carbon, 10.43% hydrogen and the remainder oxygen by mass. Determine the empirical formula for this hydrocarbon.
#1
O C3H60
#2
C6H120
#3
C6H60
#4
C3H30

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.