The mole is used because some agreed quantity is needed. Scientists very early realised that hydrogen was the smallest element. It was give a unit of one and everything else was related to the mass...
a mole in chemistry is the number of particles of the substance in question, that has the exact same atoms in 12 grams of Carbon-12. In other words, a mole is how much do 6 times 10^23 particles of a...
Chemistry is used to determine the chemical makeup of any molecular structure. By understanding chemistry, size, texture, colour, etc. can be determined. Chemistry is used to make so many products...