19.
1
The
proportion of constituent elements of oxygen and hydrogen by weight in water
is ſ
(1) 8:1
(3) 8:8
(271:8
24
(4) 1:1
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Answer:
Answer: The percentage of an element in a compound is 100 times the fraction, so for water the mass percent hydrogen is 11.11% and the mass percent oxygen is 88.89%.
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