Lab Data

$\backslash$table$[[$Metals$,\backslash$table$[[$oxidation$],[$half$-$reaction$]],\backslash$table$[[$Reduction$],[$half$-$reaction$]],\backslash$table$[[$Overall$],[$reaction$]],$Standard cell potential $($V$)],[$Zinc and copper,$ZnZ{n}^{2+}+2e^{-},C{u}^{2+}+2e^{-}Cu,Zn(s)+C{u}^{2+}(aq)Z{n}^{2+}(aq)+Cu(s),1\mathrm{.}10],[$Zinc and silver,$ZnZ{n}^{2+}+2e^{-},A{g}^{+}+e^{-}Ag,Zn(s)+2A{g}^{+}(aq)Z{n}^{2+}(aq)+2Ag(s),1\mathrm{.}56],[$Zinc and lead,$ZnZ{n}^{2+}+2e^{-},P{b}^{2+}+2e^{-}Pb,Zn(s)+P{b}^{2-}(aq)Z{n}^{2+}(aq)+Pb(s),0\mathrm{.}63],[$Zinc and nickel,$ZnZ{n}^{2+}+2e^{-},N{i}^{2+}+2e^{-}Ni,Zn(s)+N{i}^{2+}(aq)Z{n}^{2+}(aq)+Ni(s),0\mathrm{.}51],[$Copper and silver,$CuC{u}^{2+}+2e^{-},A{g}^{+}+e^{-}Ag,Cu(s)+2A{g}^{+}(aq)C{u}^{2+}(aq)+2Ag(s),0\mathrm{.}46],[$Copper and lead,$PbP{b}^{2+}+2e^{-},C{u}^{2+}+2e^{-}Cu,Pb(s)+C{u}^{2+}(aq)P{b}^{2+}(aq)+Cu(s),0\mathrm{.}47],[$Copper and nickel,$NiN{i}^{2+}+2e^{-},C{u}^{2+}+2e^{-}Cu,Ni(s)+C{u}^{2-}(aq)N{i}^{2+}(aq)+Cu(s),0\mathrm{.}59],[$Silver and lead,$PbP{b}^{2-}+2e^{-},A{g}^{+}+e^{-}Ag,Pb(s)+2A{g}^{+}(aq)P{b}^{2+}(aq)+2Ag(s),0\mathrm{.}93],[$Silver and nickel,$NiN{i}^{2-}+2e^{-},A{g}^{+}+e^{-}Ag,Ni(s)+2A{g}^{-}(aq)N{i}^{2+}(aq)+2Ag(s),1\mathrm{.}05],[$Lead and nickel,$NiN{i}^{2+}+2e^{-},P{b}^{2-}+2e^{-}Pb,Ni(s)+P{b}^{2-}(aq)N{i}^{2-}(aq)+Pb(s),0\mathrm{.}12]]$

Copper$($II$)$ sulfate solutions

$1M$ and $0\mathrm{.}5M$

$1M$ and $0\mathrm{.}1M$

$1M$ and $0\mathrm{.}05M$

$1M$ and $0\mathrm{.}01M$

$1M$ and $0\mathrm{.}001M$

Slope

Unknown cell potential $($mV$)$

Concentration of unknown $(M)$

Reaction quotient $($Q$)$

$0\mathrm{.}5$

$0\mathrm{.}1$

$0\mathrm{.}05$

$0\mathrm{.}01$

$0\mathrm{.}001$

$-29\mathrm{.}05$

$32\mathrm{.}8$

How to calculate concentration from cell potential

Cell potential $($mV$)$

$9\mathrm{.}1$

$29\mathrm{.}4$

$38\mathrm{.}4$

$57\mathrm{.}0$

$88\mathrm{.}0$