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An alloy of Pb-Ag weighing 1.08g was dis...

An alloy of Pb-Ag weighing `1.08g` was dissolved in dilute `HNO_(3)` and the volume made to 100 mL.A ? Silver electrode was dipped in the solution and the emf of the cell dipped in the solution and the emf of the cell set-up as `Pt(s),H_(2)(g)|H^(+)(1M)||Ag^(+)(aq.)|Ag(s)` was `0.62 V` . If `E_("cell")^(@)` is `0.80 V`, what is the percentage of Ag in the alloy ? (At `25^(@)C, RT//F=0.06`)

A

99.97

B

98.5

C

0.033

D

0.33

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An alloy of Pb-Ag weighing 1.08 g was dissolved in dilute HNO_(3) and the value made to 100 mL. A silver electrode was dipped in the solution and EMF of the cell set up Pt_((s)),H_(2(g))|H^(+)(1M)||Ag_((aq))^(+)|Ag_((s)) . was 0.62V. The percentage of Ag in the alloy is [E_(cell)^(@)=0.80V,2.303RT//F=0.06" at "25^(@)C]

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Knowledge Check

  • An alloy of Pb-Ag weighing 1.08 g was dissolved in dilute HNO_(3) and th volume made to 100 ml. A silver electrode was dipped in the in the solution and the EMF of the cell set up Pt(s),H_(2)(g)|H^(+)(1M)||Ag^(+)(aq)|Ag(s) was 0.62 V. if E_(cell)^(@)=0.80V , what is the percentage of Ag in the alloy? [At 25^(@)C,2.303RT//F=0.6 ]

    A
    25
    B
    2.5
    C
    10
    D
    1

  • An alloy of Pb-Ag weighing 1.08 g was dissolved in dilute HNO, and the volume made to 100 mL. A silver electrode was dipped in the solution and the emf of the cell set-up Pt(s), H_2(g) |H^(+)(1 M)||Ag^(+) (ag)|Ag(s) was 0.62 V. If E_("cell")^@ is 0.80 V, what is the percentage of Ag in the alloy? (At 25^@C, RT//F =0.06)

    A
    25
    B
    2.5
    C
    10
    D
    1

  • An alloy of Pb Ag weighing 1.08 g was dissolved in dilute HNO_(3) and the volume made to 100 mL A silver electrode was dipped in the solution and the emf of the cell set up pt (s) H_(2)(g)|H^(+)(1M)||Ag^(+)(aq)|Ag(s) was 0.62 V if E_(cell)^(@)=0.80 V what is the percentage of Ag in the alloy ? At 25^(@)C RT/F=0.6

    A
    25
    B
    2.5
    C
    10
    D
    50

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