Use Appendix C to choose the solution with the higher pH:

Chapter 18, Problem 18.114

(choose chapter or problem)

Use Appendix C to choose the solution with the higher pH: (a) 0.2 M Ni(NO3)2 or 0.2 M Co(NO3)2 (b) 0.35 M Al(NO3)3 or 0.35 M Cr(NO3)3

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