What is the concentration of the bromide ion if 25.0 mL of a 0.50 M AlBr3 solution combines with 40.0 mL of a 0.35 M NaBr solution? Assume volumes are additive. 7.9×10 mol·L-1 What is (B) 0.41 mol L-1 (C) 0.79 mol·L-1 (D) 2.1 mol L-¹

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The answer is letter C, 0.79mol/L. Please help me see how to solve this problem. Thank you :)
What is the concentration of the bromide ion if 25.0 mL of a 0.50 M AlBr3 solution combines with
40.0 mL of a 0.35 M NaBr solution? Assume volumes are additive.
7.9×10 mol·L-1
What is
(B) 0.41 mol L-1
(C) 0.79 mol·L-1
(D) 2.1 mol L-¹
Transcribed Image Text:What is the concentration of the bromide ion if 25.0 mL of a 0.50 M AlBr3 solution combines with 40.0 mL of a 0.35 M NaBr solution? Assume volumes are additive. 7.9×10 mol·L-1 What is (B) 0.41 mol L-1 (C) 0.79 mol·L-1 (D) 2.1 mol L-¹
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