Water consists of hydrogen and oxygen, and the approximate ratio, by mass, of hydrogen to oxygen is 2:16. Approximately how many grams of oxygen are there in 135 grams of water?	Choose the correct choice from the following answers.
A) 120 B) 116 C) 112 D) 108 E) 104
(16/18)*144 = 120 grams   The answer is 120.
<result>A</result>
Water consists of hydrogen and oxygen, and the approximate ratio, by mass, of hydrogen to oxygen is 2:16. Approximately how many grams of oxygen are there in 135 grams of water?