The answer is
<span>Fe3+ + e- Fe2+ = 0.77 V</span>
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Potassium (K), Sodium(Na), Iron(Fe), Copper(Cu), Silver(Ag), Tin(Sn), Antimony(Sb), Tungsten(W), Gold(Au), Mercury(Hg), Lead(Pb)
3. The Chemical property of an unknown element is the number of valence electrons
4. The number of protons in one atom of an element
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Answer:
Equation 2, because K being more reactive, exchanges position with Pb in PbNO3.
Explanation:
