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The Atomic Mass of hydrogen is 1u. Atomic mass of bromine is 80u. Therefore, the molar mass of hydrogen bromide is 1+80=81u.

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What is the gram molecular mass of hydrogen?

The gram molecular mass of hydrogen is 1 gram per mole.


How do you calculate the atomic mass of bromine?

To calculate the atomic mass of bromine, you would take the weighted average of the isotopic masses of bromine's isotopes, considering their relative abundance in nature. The atomic mass of bromine is approximately 79.904 u.


What percentage by mass of table sugar is hydrogen?

Table sugar (sucrose) has a molecular formula of C12H22O11, which means it is composed of carbon, hydrogen, and oxygen. To calculate the percentage by mass of hydrogen in table sugar, divide the mass of hydrogen by the total mass of the compound and then multiply by 100. In this case, hydrogen has a total mass of 22 g/mol out of a total molecular mass of 342 g/mol, which gives a percentage of approximately 6.4% hydrogen by mass in table sugar.


Molecular mass equals 2vapour density?

vapor density =density of gas/density of hydrogen gas=mass of a certain vol. of gas/mass of same vol. of hydrogen gas=mass of n molecules of gas/mass of n molecules of hydrogen gas=mass of 1 molecule of gas/mass of 1 molecule of hydrogen gas=molecular mass of gas/molecular mass of hydrogen gas=molecular mass/22 x vapor density=molecular mass


What is the molecular mass of hydrogen?

For H2 (natural occurring element Hydrogen) it is 2*1.00794 a.m.u = 2.01588 a.m.eThis means that 1.00000 mole H2 has a mass of 2.01588 grams


What is the method of working out the molecular mass of hydrogen?

On the periodic table it says that one mole of hydrogen atoms weighs 1.008 grams. However, Hydrogen is a diatomic molecule (it is composed of two hydrogen atoms in its molecular state). Hence, the molecular mass of hydrogen is 1.008 multiplied by 2 = 2.016g this is the mass of one mole of hydrogen. Hope this helps!


What is the molecular mass of hydrogen sulphide H2S?

The molecular mass of hydrogen sulfide (H2S) is 34.08 grams per mole.


A compound formed of 0.059 mol hydrogen and 0.94 mol oxygen has a molecular mass of 34.0 gmole What is the molecular formula of this compound?

The molar ratio of hydrogen to oxygen in the compound is 2:1. To find the empirical formula, divide the moles of each element by the smallest number of moles, which is 0.059 mol for hydrogen. This gives a ratio of 1:0.5 for hydrogen and oxygen, which simplifies to the empirical formula H2O. To find the molecular formula, calculate the molecular mass of H2O (18 g/mol) and divide the given molecular mass (34 g/mol) by the empirical formula mass to get the multiplier of 2. So, the molecular formula of the compound is H2O2.


How do you calculate the molecular mass of a compound?

To calculate the molecular mass of a compound, you add up the atomic masses of all the atoms in the compound. This can be found on the periodic table.


What is the mass percent of H in ammonium bicarbonate?

The molecular formula of ammonium bicarbonate is NH4HCO3. To find the mass percent of hydrogen (H) in it, we calculate the molar mass of hydrogen in the formula and divide it by the molar mass of the whole compound NH4HCO3, then multiply by 100. The mass percent of hydrogen in ammonium bicarbonate is approximately 5.9%.


What element forms a diatomic gas with a mass of 160 amu?

Bromine (Br) has a molar mass of 79.904 amu (atomic mass units), which is extremely close to 80. Bromine is diatomic so when two bromine molecules are put together to create a diatomic gas, the molar masses of each bromine add to get a combined molar mass of 160 amu.


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.