We know that one mole of oxygen gas contains two moles of o atoms (remember that o is a diatomic element in nature and is written o2). if we have a sample of o2 that contains 1. x 10-20 mol, we will have (blank)
atoms of o in the sample.

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.