Chemistry, 09.07.2019 07:30, sharonbullock9558

If excess caso4(s) is mixed with water at 25 ∘c to produce a saturated solution of caso4, what is the equilibrium concentration of ca2+?

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Chemistry, 26.07.2019 14:30, sccovell5601

Consider the reactioncaso4(s)⇌ca2+(aq)+so2−4(aq) at 25 ∘c the equilibrium constant is kc=2.4×10−5 for this reaction.- if excess caso4(s) is mixed with water at 25 ∘c to produce a saturated solution of caso4, what is the equilibrium concentration of so2−4? - if the resulting solution has a volume of 1.2 l, what is the minimum mass of caso4(s) needed to achieve equilibrium?

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Chemistry, 28.07.2019 03:00, gungamer720

Which best describes what happens when 50 ml of 0.0010m cacl2 is added to 50 ml of 0.010m na2so4? (the ksp of caso4 = 2.4 × 10–5.) the solution will be at equilibrium. caso4 will precipitate out of solution no precipitation will occur.

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Chemistry, 31.07.2019 07:00, koryn4880

Consider the reaction caso4(s)⇌ca2+(aq)+so2−4(aq) at 25 ∘c the equilibrium constant is kc=2.4×10−5 for this reaction.if excess caso4(s) is mixed with water at 25 ∘c to produce a saturated solution of caso4, what is the equilibrium concentration of ca2+?

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Chemistry, 30.09.2019 20:20, leonidas117

Certain solid substances, known as hydrated compounds, have well-defined molecular ratios of water to some other species. for example, calcium sulfate dihydrate (commonly known as gypsum, caso4*2h2o), has 2 moles of water per mole of calcium sulfate; alternatively, it may be said that 1 mole of gypsum consists of 1 mole of calcium sulfate and 2 moles of water. the water in such substances is called water of hydration.in order to eliminate the dishcarge of sulfuric acid into the environment, a process has been developed in which the acid is reacted with aragonite (caco3) to produce calcium sulfate. the calcium sulfate then comes out of solution in a crystallizer to form a slurry of solid gypsum particles suspended in an aqueous caso4 solution. the slurry flows from the crystallizer to a filter in which the particles are collected as a filter cake. the filter cake, which is 95.0 wt% solid gypsum and the remainder caso4 solution, is fed to a dryer in which all water (including the water of hydration in the crystals) is driven off to yield anhydrous caso4 as product.solids content of slurry leaving crystallizer: .35kg caso4*2h2o/l slurrycaso4 content of slurry liquid: .209g caso4/100g h2ospecific gravitites: caso4*h2o(s), 2.32; liquid solutions, 1.05a) briefly explain in your own words the functions of the three units (crystallizer, filter, and dryer).b) take a basis of one liter of solution leaving the crystallizer and calculate the mass (kg) and volume (l) of solid gypsum, the mass of caso4 in the gypsum, and the mass of caso4 in the liquid solution.c) calculate the percentage recovery of caso4--that is, the precentage of the total caso4 (precipitate plus dissolved) leaving the crystallizer recovered as solid anhydrous caso4.d) list five potential negative consequences of discharging h2so4 into the river passing the plant.

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