Calculate the mass percent of chlorine in magnesium chloride.
A) 25.53%
B) 37.24%
C) 40.67%
D) 59.33%
E) 74.47%

Name: Calculate the mass percent of chlorine in magnesium chloride. A) 25.53% B) 37.24% C) 40.67% D) 59.33% E) 74.47%
Brand: Quizplus
Rating: 4.8 (38 reviews)

Question

Quizplus · Accepted Answer

Magnesium chloride (MgCl2) has a molar mass of 95.21 g/mol (Mg = 24.31 g/mol, Cl = 35.45 g/mol x 2). The mass of chlorine in MgCl2 is 70.90 g/mol. The mass percent of chlorine is (70.90/95.21) x 100% = 74.47%.

Calculate the Mass Percent of Chlorine in Magnesium Chloride