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vera_ewing

  • one year ago

@sweetburger

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  1. vera_ewing
    • one year ago
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  2. sweetburger
    • one year ago
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    so for this question It will look like this [2Ag-][SO4-]=1.4x10^-5 which I again let Ag and SO4 be represented by x so [2x]^2[x]=1.4x10^-5 so 4x^3=1.4x10^-5 I then solve for x which is 1.5x10^-2

  3. sweetburger
    • one year ago
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    x represents the molar solubility which is 1.5x10^-2M

  4. vera_ewing
    • one year ago
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    Oh okay thank you! How about this one?

  5. sweetburger
    • one year ago
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    For this its (3.2)^2/(1.5)(1.2)^2 = 4.74>3 and 3 is representative of Kp so 4.74=Q ans Q>K so that means the reaction must proceed to the left/reverse.

  6. vera_ewing
    • one year ago
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    So C is the answer?

  7. sweetburger
    • one year ago
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    Yes :)

  8. vera_ewing
    • one year ago
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    Thanks! This one? What do you think?

  9. sweetburger
    • one year ago
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    Well, I'm not completely sure, but I am giving it a shot. It is not b or c though.

  10. vera_ewing
    • one year ago
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    So which is the most logical between A and D?

  11. sweetburger
    • one year ago
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    My guess is this you take the Kc=56 and you double it as that is done in the second reaction and then you do this 1/112=.0089 which is an answer being 8.9x10^-3 which is D.

  12. vera_ewing
    • one year ago
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    Ok thanks!

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