When a strong acid is titrated with a strong base using phenolphthalein as an indicator, the color changes abruptly at the endpoint of the itration and an be swithced back and forth by the additinon of only one drop of acid or base

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

What are the major types of a chemical compound