How many mL can you make of a .225 M solution if you
have 458 mL of a .500 M solution available?

May someone me with these science questions

Avogradoa number was calculated by determining the number of atoms in?

Which of the following elements would you expect to have the highest ionization energy value, and why? a. chlorine (cl), because it has a low effective nuclear charge and large radius b. fluorine (f), because it has a large radius and naturally forms a negative ion c. lithium (li), because it has a small radius and naturally forms a positive ion d. neon (ne), because it has a high effective nuclear charge and small radius