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I am Lyosha [343]
2 years ago
10

What kind of reaction occurs when you mix aqueous solutions of barium sulfide and sulfuric acid?

Chemistry
2 answers:
Shkiper50 [21]2 years ago
7 0
Precipitation and gas evolution
Dvinal [7]2 years ago
6 0

The kind of reaction that occur when aqueous solution of barium sulfide is mixed with sulfuric acid is PRECIPITATION REACTION. The equation for the chemical reaction is this: BaS + H2SO4 = BaSO4 + H2S. This equation shows that barium sulfide react with sulfuric acid to yield barium sulphate and hydrogen sulfide. During the reaction, a precipitate is formed and a gas is given off. The precipitate formed is barium sulphate and the gas that was given of is hydrogen sulphide.

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3. The temperatures of the two substances equalize.

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Answer:

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Explanation:

Recall that , depression present in freezing point is calculated with the formulae = solute particles Molarity x KF

0.3473 = m * 1.86

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Moles of HClO2 = mass / molar mass = 5.85 / 68.5 = 0.0854 mol

Molality = moles / mass of water in kg = 0.0854 / 1 = 0.0854 m

Initial molality

Assuming that a % x of the solute dissociates, we have the ICE table:

                 HClO2         H+    +   ClO2-

initial concentration:       0.0854                    0             0

final concentration:      0.0854(1-x/100)   0.0854x/100   0.0854x / 100

We see that sum of molality of equilibrium mixture = freezing point molality

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2.1897 = 1 + x / 100

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3 years ago
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