Chemistry, asked by shehnazbaniya0786, 8 months ago

3.
Which of the following molecule has highest
percentage of oxygen by mass? [NCERT Pg. 18]
(1) H2O
(2) CO2
(3) Cacoz
(4) C H OH

Answers

Answered by princess2410

13

Answer:

the answer is h2o (water)

Answered by chhavi781

5

H2o is answer

Explanation:

h20=88%

co272%

CaCo3 =48%

c2h5oh=21%

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