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By mole, water is 66.666r% hydrogen but by mass it is about 11.9% hydrogen.

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9y ago

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Percent of elements in the water?

Since water is made from two atoms of hydrogen and one atom of oxygen, the percentage of water that is hydrogen is 66% and the percentage of water that is oxygen is 33%. Note that is is NOT percentage of the formula by weight, just by count.


Is there more hydrogen in salt water than in fresh water?

The molecule of water remain unchanged, and also the percentage of hydrogen.


What compound has the highest percent of hydrogen by mess Water or hydrogen proxide?

Water has a higher percentage of hydrogen by mass than does hydrogen peroxide, because the latter has equal numbers of hydrogen and oxygen atoms while the former has twice as many hydrogen atoms as oxygen atoms.


The percent of higergen in water?

The exact percentage of hydrogen in water is 11.11%, as water molecule (H2O) contains two hydrogen atoms and one oxygen atom.


Percentage by mass of components of water?

11% Hydrogen and 89% Oxygen


How can you tell there is more percentage of oxygen than hydrogen in water?

By analyzing the molecular formula of water, which is H2O, we can see that there are two hydrogen atoms for every one oxygen atom. This means that water contains a higher percentage of oxygen than hydrogen. Additionally, the atomic masses of oxygen (16) and hydrogen (1) further support this observation.


What percent hydrogen in H2O?

2 hydrogen atoms to 1 oxygen atom to form Water or H2O


What is the percentage by mass of hydrogen in ammonia?

Mass of ammonia is 17. Mass of Hydrogen in it is 3. So the percentage of hydrogen by mass is 17.64%


Is there a neutron inside of water?

A water molecule consists of one oxygen atom and two hydrogen atoms. The oxygen atom has several neutrons; the hydrogen atom typically contains none. A small percentage of the hydrogen atoms are deuterium or tritium, which do contain neutrons.


What is the percentage of hydrogen in air?

The percentage of hydrogen on earth is just 0.25%


Water its 11.2 percent by mass hydrogen How many kilograms of water would contain 5.0 grams of hydrogen?

To find the mass of water containing 5.0 grams of hydrogen, we need to set up a proportion using the mass percentage of hydrogen in water. Since water is 11.2% hydrogen by mass, we can calculate the mass of water using the formula: (5.0 grams of hydrogen) / (11.2 grams of hydrogen per 100 grams of water) = x grams of water. Converting grams to kilograms, the mass of water containing 5.0 grams of hydrogen would be 5.0 g / 11.2% = 44.64 g. This figure converted to kilograms is 0.04464 kg.


How percentage of oxygen is more in water than hydrogen?

This is true for mass-%. Oxygen is 16 times heavier than hydrogen, that outfigures the double elemental ratio for hydrogen to oxygen (2:1) by factor 8 times.