How many formula units of LiCl are equal to 0.648 moles? 3.90 X 10^23 formula units of LiCL
1.75 X 10^19 formula units of LiCL
2.04 x 10^-5 formula units of LICHL​

according to kinetic-molecular theory, the following would not be considered an ideal gas:

a gas at very low volumes, when gas particles are very close together

a gas at very low temperatures, when gas particles have very little kinetic energy a gas

a gas with highly polar molecules that have very strong intermolecular forces

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acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

it is stable as it is in group 0 which have full outer shells of electrons