What mass of Ca(NO3)2 must be added to 0,75 L of a 2.0-M HF solution to begin precipitation of CaF2(s)? Assume no volume change on addition of Ca(NO3)2(s). CaF2: Ksp = 4,0 * 10-11 ; HF: Ka = 7,2 * 10-4

What mass of Ca(NO3)2 must be added to 0,75 L of a 2.0-M HF solution to begin precipitation of CaF2(s)? Assume no volume change on addition of Ca(NO3)2(s). CaF2: Ksp = 4,0 * 10-11 ; HF: Ka = 7,2 * 10-4

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter16: Solubility And Complex Ion Equilibria

Section: Chapter Questions

Problem 81AE

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Question

What mass of Ca(NO₃)₂ must be added to 0,75 L of a 2.0-M HF solution to begin precipitation of CaF_2(s)? Assume no volume change on addition of Ca(NO₃)_2(s). CaF₂: Ksp = 4,0 * 10^-11 ; HF: Ka = 7,2 * 10^-4

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