Answer:
4.33773408535
4.34
Step-by-step explanation:
Im not 100% sure but what I did was search up "How many moles in 1 gram of MgCl2?" and it gave me this answer: 1 grams MgCl2 is equal to 0.010502988100114 mole.
Next, I multiplied that number by 413 and got 4.33773408535/4.34