What is the maximum volume of a 0.788 m cacl2 solution that can be prepared using 85.3 g cacl2

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.