The SI unit for the amount of substance present is the mole.
The mole is defined as the amount of substance that has the same amount of particles as there are atoms in 12 grams of carbon-12. Mathematically, the moles of a substance may be computed using:
moles present = mass of substance / molecular mass of substance
Answer: Different people want different things out of life
Your Welcome ^_^
Its <span>c.chromatography is the process of separating solutions on the basis of their boiling points </span>
Answer:
Both are chemical changes.
Explanation:
They are chemical changes because when when you melt the sugar to make caramel a new substance is formed. The same with cookies. You don't start out with cookies, you start out with dough. And then when you cook the dough a new substance is formed which is the cookies.
Water, or H2O, is a compound composed of the elements hydrogen (H) and oxygen (O).