Suppose you are provided with a 30.86 g sample of potassium chlorate to perform this experiment. What is the mass of oxygen you expect to release upon heating?

The mass of oxygen is 12.10 g.

Explanation:

The decomposition reaction of potassium chlorate is the following:

2KClO₃(s) → 2KCl(s) + 3O₂(g)

We need to find the number of moles of KClO₃:

Where:

m: is the mass = 30.86 g

M: is the molar mass = 122.55 g/mol

Now, we can find the number of moles of O₂ knowing that the ratio between KClO₃ and O₂ is 2:3

Finally, the mass of O₂ is:

Therefore, the mass of oxygen is 12.10 g.

I hope it helps you!

ill try to . no promises tho.

explanation:

intermolecular forces are the forces between molecules or particles.

there are two kinds of van der waals forces: weak london dispersion forces and stronger dipole-dipole forces.

in molecule of water there are dipole-dipole forces between negatively charged oxygen from one molecule of water and positively charger hydrogen of another molecule of water.

hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (h), covalently bound to a highly electronegative atom such as flourine (f), oxygen (o) and nitrogen (n) atoms.