The pH of a solution is 2.0. Which statement is correct? Useful formulas include (H2011
) - 107H
[OH-]- 10 POH, PH+pOH = 14 and [H3O[OH]=10-14
The pOH of the solution is 12.0.
O The concentration of OH-ions is 1.0 x 10-2 M.
O The concentration of H3O+ ions is 100.0 M.
The pOH of the solution is 16.0.
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The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na