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03-14-2008, 09:13 PM
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| Chemistry Homework? A solution is prepared by mixing 75.0 mL of 0.037 M BaCl2 and 170. mL of 0.040 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4-) are present.      |
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03-14-2008, 09:13 PM
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| 0.075L x 0.037mol/L = .002775 moles of Ba 0.17L x 0.04mol/L = 0.0068 moles of SO4 Without having the Ksp for BaSO4, this is as far as we can go. With the Ksp, you can then calculate the actual concentrations of each ion by using Ksp = [Ba][SO4] |
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