Question

The percentage of hydrogen in H2O

(A) 8.88
(B) 11.12
(C) 20.60
(D) 80.0​

Answer 1

Answer:

11.11%

Explanation:

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%.

Answer 2

$\huge\mathfrak\red{11.12}$