0
8.9%
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is the relative mass formula of hydrogen gas?
The molecular mass of hydrogen gas is 2. A molecule of hydrogen gas contains two hydrogen atoms covalently bonded. Since each hydrogen atom has an atomic mass of 1 (as we can derive from the Periodic Table of Elements), the molecular mass of hydrogen gas as a molecule is 1 + 1 = 2.
What is the mass percent of hydrogen in ammonium phosphate?
The percentage of H in ammonium phosphate is the mass of H divided by the mass of the entire compound.
What is the percentage of hydrogen in hydrogen Bromide?
It all depends on what you're looking for. If you mean ratio of atoms, It is a one:one ratio, so 50% each If you mean mass, 1.0125% of the mass of one molecule is hydrogen and the other 98.9875% is bromine.
How much hydrogen is in the human body?
Most of the hydrogen in our body floats around in the form of water. The human body is about 60% water and hydrogen only accounts for 11% of that water mass. Thus, roughly 6.6% of a typical human's body mass is hydrogen.
What is the percent composition of cesium in CsOH?
The given formula shows four atoms in one formula unit. Therefore, the atomic percentages are 25 % each of iron and oxygen and 50 % of hydrogen. The mass percentages may be calculated from the atomic percentages combined with the gram atomic mass of each element. These values are 1.00794 for hydrogen, 15.9994 for oxygen, and 55.847 for iron; this yields a gram formula mass of 73.857, to the justified number of significant digits. The mass percentage of iron is therefore 100(55.847/73.857) or 75.615 %; the mass percentage of oxygen is 100(15.9994/73.857) or 21.663 %; and the mass percentage of hydrogen is (100)(2.00000)(1.00794)/73.857) or 2.7294 %.
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%
Which isotopes of hydrogen has more mass percentage?
In naturally occurring hydrogen, most of the mass is that of the hydrogen-1 isotope.
How many molecule does table sugar have?
not enough information to answer; it depends on the mass of table sugar present.
A 83.6 g sample of an unknown compound contains 19.4 g of hydrogen What is the percent by mass of hydrogen in the compound?
To calculate the percent by mass of hydrogen in the compound, you need to divide the mass of hydrogen by the total mass of the compound and then multiply by 100. Percentage mass of hydrogen = (19.4 g / 83.6 g) x 100 ≈ 23.2% hydrogen mass in the compound.
How the atomic mass of hydrogen can be find out?
Look in a periodic table.
Hydrogen atomic mass?
Hydrogen's atomic mass is 1.00794 amu. Hydrogen is a chemical element represented by the symbol H.
What is the percentage by mass of sodium (Na) in a formula unit of sodium hydrogen carbonate NaHCO3?
The percentage by mass of sodium (Na) in a formula unit of sodium hydrogen carbonate (NaHCO3) is 27,38 %.
What percentage of water is hydrogen?
Water (H2O) is composed of 2 hydrogen atoms and 1 oxygen atom. The mass of hydrogen in water is 11.11%, which means that water is approximately 11.11% hydrogen by mass.
What is the mass percentage of N in NH3?
The molar mass of NH3 is 17 g/mol (1 N atom + 3 H atoms). The molar mass of N in NH3 is 14 g/mol. To calculate the mass percentage of N in NH3, divide the molar mass of N by the molar mass of NH3 and multiply by 100. 14 g/mol / 17 g/mol * 100 ≈ 82.4%. So, the mass percentage of N in NH3 is approximately 82.4%.
Which element has the lowest mass on the periodic table?
The atom that has the lowest mass is hydrogen. So assuming the same numbers of atoms in each element, hydrogen would be the element with the lowest mass.
What element in the periodic table has a molar mass equal to one?
hydrogen
Percent of hydrogen in methane?
Percentage of hydrogen in methane is 25%. Percentage of hydrogen = mass of hydrogen/mass of methane x 100 mass of hydrogen = 1 x 4= 4 and mass of carbon = 12. Since methane has 4 hydrogen atoms and one carbon atom therefore mass of methane = 16 Percentage of hydrogen = 4/16 x 100 =25
