When a solute or salt is dissolved in 100 g of water then the ability to measure it is known as solubility.
Whereas a powder or salt present in small quantity in a solution is known as solute. Whereas the liquid which is present in large quantity as compared to the solute is known as a solvent.
When two substances are mixed together in a liquid then the resulting liquid is known as solution.
On the other hand, a solid that is insoluble upon formation from a liquid solution is known as a precipitate.
Thus, we can conclude that out of the given options the measure of how much salt will dissolve into 100g of water is solubility.
The change in gravitational potential energy due to change in position must be the change in it's kinetic energy as the system is isolated! so find out the potential energies of the two different points!
<span>PE=−[G<span>M1</span><span>M2</span>]÷R
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Potential energy of a particle due to mass A is not affected by presence of any other mass B !</span>
