The concentration of species in 100 mL of a 3.47 M solution of sodium iodide is ________ M sodium ion and ________ M iodide ion.
A)0.0347, 0.0347
B)0.347, 0.347
C)0.347, 0.694
D)0.694, 0.347
E)3.47, 3.47

Question

Quizplus · Accepted Answer

Sodium iodide (NaI) dissociates into sodium ions (Na+) and iodide ions (I-) in a 1:1 ratio. Therefore, the concentration of sodium ions and iodide ions in the solution will be the same as the concentration of the sodium iodide solution, which is 3.47 M.

The Concentration of Species in 100 ML of a 3