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Oxyacids of Phosphorus

During the la...

Question

During the lab, you are presented with a flask containing a clear liquid. The clear liquid contains $N a^{+}$ ions, $A g^{+}$ ions and $B a^{2} + i o n s$ in solution. What would you mix with this solution in order to separate out the individual cations?

C a C l_{2}

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L i_{3} P O_{4}

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H C l

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H_{2} S

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Solution

The correct option is A $C a C l_{2}$
The 3 ions are $N a^{+}, A g^{+}, B a^{+ 2}$ when we add $C a C l_{2}$ to these 3 ions, only $N a^{+}$ ion can replace $C a^{+ 2}$ from $C a C L_{2}$ compound because the lower ECP value of $C a^{+ 2}$ than $N a^{+}$ So, $C a C L_{2}$ should be added to separate the ions.

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