Question

Calculate the formula mass of magnesium chloride, MgCl2?
A. 46
B. 59.76
C. 95.21
D. 106.35

Answer 1

Mg = 24.3
Cl = 35.5

24.3 + 35.5 x 2 = 95.3 ~ 95.21 ( all periodic tabes have different accuracies)

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