Gaokao Chemistry Practice Questions - China National College Entrance Examination Chemistry Exam

What is the approximate mass percentage of hydrogen in H2O? Use H = 1 and O = 16.

5.6% 11.1% 22.2% 88.9%

Correct Answer:

11.1%

Access more questions from this quiz

Continue to Gaokao Chemistry Practice Questions - China National College Entrance Examination Chemistry Exam for more practice questions and the full quiz experience.

Access More Questions