A 0.15 M solution of BaCl2 contains: Group of answer choices
A. 0.30 M Ba2 ions and 0.30 M Cl- ions.
B. 0.15 M Ba2 ions and 0.15 M Cl- ions.
C. 0.30 M Ba2 ions and 0.15 M Cl- ions.
D. 0.15 M Ba2 ions and 0.30 M Cl- ions.
E. none of the above
Answer:
D. 0.15 M Ba2 ions and 0.30 M Cl- ions.