A solution with a hydroxide ion concentration of 4.15*10^-4 M is ______ and has

Question

A solution with a hydroxide ion concentration of 4.15*10^-4 M is ______ and has a hydrogen ion concentration of ______.
a) basic, 2.41*10^-10 M b) acidic, 2.41*10^-11 M c) basic, 2.41*10^-11 M d) acidic, 2.41*10^-10 M A solution with a hydroxide ion concentration of 4.15*10^-4 M is ______ and has a hydrogen ion concentration of ______.
a) basic, 2.41*10^-10 M b) acidic, 2.41*10^-11 M c) basic, 2.41*10^-11 M d) acidic, 2.41*10^-10 M A solution with a hydroxide ion concentration of 4.15*10^-4 M is ______ and has a hydrogen ion concentration of ______.
a) basic, 2.41*10^-10 M b) acidic, 2.41*10^-11 M c) basic, 2.41*10^-11 M d) acidic, 2.41*10^-10 M
a) basic, 2.41*10^-10 M b) acidic, 2.41*10^-11 M c) basic, 2.41*10^-11 M d) acidic, 2.41*10^-10 M

Explanation / Answer

With hydroxide ions present in greater amounts, the solution is basic.

pH + pOH = 14

pOH = - log (4.15*10^-4 M)=3.38

pH = -log [H+] = 14=3.38

conc of H = 2.4E-11M

ans option = c) basic, 2.41*10^-11 M

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