What is the percentile rank
For the distribution in the following table what is the percentile rank for X= 8.5?
X C%
9 100%
8 80%
7 50%
6 25%
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A voltaic cell with Ni/Ni2+ and Co/Co2+ half-cells has the following initial concentrations: [Ni2+]=0.80 M; [Co2+]=0.20 M. What is the initial E cell? What is [Ni2+] when Ecell reaches 0.03 V? What are the equilibrium concentrations of the ions?
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