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Ionic Equilibrium question

2018 · Shift 0 · Q20

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PYQ Library
JEE Main
Chemistry
Ionic Equilibrium
2018 · Shift 0 · Q20

Ionic Equilibrium question

2018 · Shift 0 · Q20

JEE MainChemistryIonic EquilibriumMCQ+4 / −1

An aqueous solution contains an unknown concentration of

Ba^{2+}

. When 50 mL of a 1 M solution of

Na_2SO_4

is added,

BaSO_4

just begins to precipitate. The final volume is 500 mL. The solubility product of

BaSO_4

is 1

\times

10–10. What is the original concentration of

Ba^{2+}

?

A
1.0 $\times$ 10–10 M
B
5 $\times$ 10–9 M
C
2 $\times$ 10–9 M
D
1.1 $\times$ 10–9 M

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