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Moderate

Ion Concentrations In Mixed Solutions

APCHEM-G3PNKE

50 mL of 0.20 M aluminum bromide, $Al{Br}_{3}$, is added to 150 mL of 0.20 M $Mg{Br}_{2}$.

Which of the following choices CORRECTLY gives the concentration of bromide ion in the resulting solution?

A

0.45 M

B

0.20 M

C

0.90 M

D

0.55 M