If equal volumes of \( \mathrm{BaCl}_{2} \) and \( \mathrm{NaF} \) solutions are mixed, which of....
If equal volumes of \( \mathrm{BaCl}_{2} \) and \( \mathrm{NaF} \) solutions are mixed, which of these combinations will not give a
\( \mathrm{P} \)
precipitate?
Substance
\[
\begin{array}{l}
\mathrm{K}_{\mathrm{sp}} \\
1.7 \times 10^{-7}
\end{array}
\]
\[
\mathrm{BaF}_{2}
\]
(1) \( 0.004 \mathrm{M} \mathrm{BaCl}_{2} \) and \( 0.02 \mathrm{M} \mathrm{NaF} \)
(2) \( 0.010 \mathrm{M} \mathrm{BaCl}_{2} \) and \( 0.015 \mathrm{M} \mathrm{NaF} \)
(3) \( 0.015 \mathrm{M} \mathrm{BaCl}_{2} \) and \( 0.010 \mathrm{M} \mathrm{NaF} \)
(4) \( 0.020 \mathrm{M} \mathrm{BaCl}_{2} \) and \( 0.002 \mathrm{M} \mathrm{NaF} \)
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