The molecular weight of cacl2  is 110.98 g/mol. in order to make up 500. ml of a 0.500 m solution, you need

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Why is retrograde motion an apparent motion