H3O+ or OH- concentration of a weak acid or base from its degree of dissociation and concentration

1. A.
   $1 \times 10^{-5}$
2. B.
   $1.5 \times 10^{-5}$
3. C.
   $2.0 \times 10^{-5}$
4. D.
   $3.0 \times 10^{-5}$

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1. A.
   $1.34 \times 10^{-4}$
2. B.
   $1.54 \times 10^{-4}$
3. C.
   $1.80 \times 10^{-4}$
4. D.
   $1.70 \times 10^{-4}$

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1. A.
   $3.1\times10^{-2}\,\text{mol L}^{-1}$
2. B.
   $4.5\times10^{-3}\,\text{mol L}^{-1}$
3. C.
   $9.0\times10^{-2}\,\text{mol L}^{-1}$
4. D.
   $1.2\times10^{-3}\,\text{mol L}^{-1}$

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