What is a coefficient that proceeds a substance in a chemical reaction?

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

How many moles of kci are produced from 2.50 moles k