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vaieri [72.5K]
3 years ago
14

What concentration of so32– is in equilibrium with ag2so3(s) and 2.60 × 10-3 m ag ? the ksp of ag2so3 can be found here?

Chemistry
1 answer:
lubasha [3.4K]3 years ago
8 0
When the Ksp of Ag2SO3 is 1.5 x 10^-14 

and when the reaction equation is:

 Ag2SO3 ↔ 2Ag+(aq) +  SO3-- (aq)

so,

Ksp = [Ag+]^2 *[SO3--]

by substitution:

1.5 10^-14 = (2.6 x 10^-3)^2 *[SO3--]


∴ [SO3--] = 2.2 x10^-9
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The vapor pressure of ethanol is 400. mmhg at 63.5°c. its molar heat of vaporization is 39.3 kj/mol. what is the vapor pressure
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Answer: -

100 mm Hg

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Now using the Clausius Clapeyron equation

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Plugging in the values

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6 0
3 years ago
What is the molarity of NaOH if 83.5 mL of NaOH is needed to react with 35.0mL of a 0.275 M solution of H2SO4?
Lostsunrise [7]

Answer:

0.231 mol/L

Explanation:

The first step is to write the balanced equation for this reaction:

H_{2}SO_{4} +2NaOH ===> Na_{2}SO_{4}  +2H_{2}O

The second step is to find the number of moles in the acid:

number of moles = volume * concentration

                             = 0.035 L * 0.275 mol/L

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The third step is to use the molar ratio from the balanced chemical equation to find the number of moles of NaOH that can neutralize 0.009625 mol of sulphuric acid.

n(sulphuric acid) : n(sodium hydroxide)

          1                :                   2

0.009625 mol    :                   x

x =  0.01925 mol

Fourth step is to calculate the concentration of sodium hydroxide:

concentration = \frac{number of moles}{volume} = \frac{0.01925}{0.0835} =0.231 mol/L

7 0
3 years ago
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