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