the percentage of hydrogen present by mass in h2o is
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the percentage of hydrogen present by mass in h2o is
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= 18
Percent of H =
Hope it helps.
Atomic mass of Hydrogen(H) = 1u
Atomic mass of Oxygen (O) = 16 u
So, molecular mass of H2O
= 2 * 1 + 16
= 2 + 16
= 18 u
Mass of hydrogen in 18u of H2O = 2u
So , percentage of hydrogen present by mass of H2O is =>
So, Answer is 11.11%