Practice: Which of the following is an example of the Law of Multiple Proportions?
a) A sample of chlorine is found to contain three times as much Cl-35 as Cl-37.
b) Two different compounds formed from carbon and oxygen have the following mass ratios: 1.33 g O to 1 g C and 2.66 g O to 1 g C.
c) Two different samples of table salt are found to have the same ratio of sodium to chlorine.
d) The atomic mass of bromine is found to be 79.90 amu.
e) Nitrogen dioxide always has a mass ratio of 2.28 g O to 1 g N.