A chemical reaction produces 3.81g potassium chloride (KCl).How many formula units of
potassium chloride are there?*Find molar mass of KCl*

__3.08E 22 formula units of KCl
What math do I do to get to that answer?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5

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