How Many ${SO}_{3}^{2-}$ Ions Are Contained in 99 ${SO}_{3}^{2-}$ Ions
B)4

How many ${SO}_{3}^{2-}$ ions are contained in 99.6 mg of Na₂SO₃? The molar mass of Na₂SO₃ is 126.05 g mol^-1.

A) 1.52 × 10²⁷ ${SO}_{3}^{2-}$ ions
B) 4.76 × 10²⁰ ${SO}_{3}^{2-}$ ions
C) 2.10 × 10²¹ ${SO}_{3}^{2-}$ ions
D) 1.05 × 10²¹ ${SO}_{3}^{2-}$ ions
E) 9.52 × 10²⁰ ${SO}_{3}^{2-}$ ions