Respuesta :

Explanation:

To solve this question we use the following formula:

m = n*MM

m = mass

n = moles

MM = molar mass

MM of Magnesium Chlorate (Mg(ClO3)2) is 191.20 g/mol

m = 2.3*191.20

m = 439.76 g

Answer: m = 439.76 g