Exer
1. Choose the most correct option.
A. A sample of pure water, whatever the
source always contains .......
........ by
mass of oxygen and 11.1 % by mass of
hydrogen.
a. 88.8 b. 18 c. 80 d. 16
Answers
Answered by
1
Answer:
option a is correct because 100-11.1= 88.9
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