How many grams are in a mole of hydrogen chloride?

Answer 1

Trick question. Hydrogen is a diatomic molecule; it travels around with a buddy as H2 and not as a single atom. This is generally true of all gases except the inert gases. By definition, a mole of anything has 6.022 x 1023 "units" of that stuff. (That's Avogadro's number.) The "stuff" is the atoms or the molecules of that "stuff" and it can be thought of in terms of the "reaction units" of that stuff. We do not have H2 + O = H2O. We have 2H2 + O2 = 2H2O because oxygen is diatomic like hydrogen. The "reaction units" of hydrogen and oxygen are H2 and O2 respectively. Now the answer will appear. A mole of hydrogen is 6.022 x 1023 units of hydrogen which will be 6.022 x 1023 molecules of hydrogen which will be (6.022 x 1023 times 2) atoms of hydrogen which will be 1.204 x 1024 atoms of hydrogen.

Answer 2

same as any other - 1 mole is avogadro's number. 1 mole of particles is always the same number of particles regard less of the size of the particles. 6.0221415 × 10^23 particles in 1 mole. Hence this many H atoms in your mole.

Answer 3

By definition, one mole would be the same as the Atomic Mass. You take the number of moles and multiply it by the atomic mass (divide by one mole for units to cancel). So if you have just 1 mole, the number of grams will be the atomic mass. Hydrogen's atomic mass is 1.007 grams.

Answer 4

In a mole of any substance, there are 6.02214179×1023 particles of that substance. That number, by the way, is Avogadro's number (or the Avogadro constant), and it is an extremely important constant in the study of chemistry.

In the case of hydrogen, we know that hydrogen normally exists as a diatomic gas. That means there are two atoms of hydrogen hanging around together to create a molecule. (Compare this to the monoatomic gas helium, which has one atom per "molecule" of the substance.) As stated, there are about 6.022 x 1023 molecules of hydrogen in a mole of hydrogen, or 2 x (6.022 x 1023) atoms of hydrogen in a mole of hydrogen. That makes 1.2044 x 1024 atoms of hydrogen in a mole of that gas.

Answer 5

You just have to find the atomic number of hydrogen and multiply it by the number of moles you have.

Answer 6

Every substance has its 6.022 x 1023 particles in one mole.

Answer 7

The answer is: 36,46 g.

Answer 8

2.02