Question

calculate the mass percent of hydrogen atom is 1 mole of water
​

Answer 1

Mass of H2O=18g
Mass of H =2g
2/18*100=100/9=11.1%

Answer 2

Answer:

88.89%

Explanation:

Mass Percent

8889), and note that the sum of the fractions is 1. 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%.