The concentration of iodide ions in a 0.193 M solution of barium iodide is .
A) 0.0965 M
B) 0.0643 M
C) 0.386 M
D) 0.579 M
E) 0.193 M

Question

Quizplus · Accepted Answer

One mole of BaI2 generates 2 moles of I- ions. Therefore, we can calculate the concentration of I- ions by multiplying the concentration of BaI2 by 2.

Concentration of I- ions = 2 x 0.193 M = 0.386 M

Therefore the correct answer is C.

The Concentration of Iodide Ions in a 0