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1.) Explain the following observations in terms of shifting equilibria by Le Chatelier's Principle. Write the...

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Chemistry

1.) Explain the following observations in terms of shiftingequilibria by Le Chatelier's Principle. Write the equation for theequilibrium involved in each case.

a.) barium chromate, BaCrO4, is insoluble in basic solution butdissolves readily in acidic solution.

b.) The addition of NaOH to the iron (III)- thiocyanateequilibrium causes the red color to disappear and a rust coloredprecipitate to form.

c.) The solubility of lead chloride, PbCl2, in 0.10 M HCl ismuch lower than in pure water.

d.) Limestone, CaCO3, is an insoluble salt but will dissolve inacid.

e.) For part C, how does the rate of the reaction vary as thetemperature is increased? Explain.

Answer & Explanation Solved by verified expert
4.0 Ratings (795 Votes)
aBaCrO4 is a slightly soluble salt The equilibrium is BaCrO4 Ba2 CrO42 Ksp 12 x 1010 When H is added to a mixture containing BaCrO4 and CrO42 the equilibrium will    See Answer
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