What is the concentration of nitrate ions, if equal volumes of 0.1 M AgNO3 and 0.1 M NaCl are mixed?
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What is the concentration of nitrate ions, if equal volumes of 0.1 M AgNO3 and 0.1 M NaCl are mixed?
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Explanation:
Given,
0.1M AgNO
3
& 0.1M NaCl are mixed together.
We know,
0.1M AgNO
3
solution contains
0.1 moles of Ag
+
& 0.1 moles of NO
3
−
in 1000 ml of solution.
0.1M NaCl solution contains
0.1 moles of Na
+
& 0.1 moles of Cl
−
ions in 1000 ml of solution.
∴ Total moles of NO
3
−
=0.1
The total volume of solution=2000 ml
∴ Molarity of NO
3
−
ions=
Volume of solution in L
moles of NO
3
−
=
2L
0.1moles
=0.05M.
Hence, the correct option is C
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