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- For each of the following pairs of solutions, select the solution for which solute solubility is greatest. a. Ammonia gas in water with P = 1 atm and T = 50C Ammonia gas in water with P = 1 atm and T = 90C b. Carbon dioxide gas in water with P = 2 atm and T = 50C Carbon dioxide gas in water with P = 1 atm and T = 50C c. Table salt in water with P = 1 atm and T = 60C Table salt in water with P = 1 atm and T = 50C d. Table sugar in water with P = 2 atm and T = 40C Table sugar in water with P = 1 atm and T = 70CFor each of the following pairs of solutions, select the solution for which solute solubility is greatest. a. Oxygen gas in water with P = 1 atm and T = 10C Oxygen gas in water with P = 1 atm and T = 20C b. Nitrogen gas in water with P = 2 atm and T = 50C Nitrogen gas in water with P = 1 atm and T = 70C c. Table salt in water with P = 1 atm and T = 40C Table salt in water with P = 1 atm and T = 70C d. Table sugar in water with P = 3 atm and T = 30C Table sugar in water with P = 1 atm and T = 80CAccording to the Resource Conservation and Recovery Act (RCRA), waste material is classified as toxic and must be handled as hazardous if the lead concentration exceeds 5 mg/L. By adding chloride ion, the lead ion will precipitate as PbCl2, which can be separated from the liquid portion. Once the lead has been removed, the rest of the waste can be sent to a conventional waste treatment facility. How many grams of sodium chloride must be added to 500 L of a waste solution to reduce the concentration of the Pb2+ ion from 10 to 5 mg/L?
- Complete and balance each of the following equations for acid-base reactions. Express your answer as a chemical equation. Identify all of the phases in your answer. H2SO4(aq)+KOH(aq)→H2SO4(aq)+KOH(aq)→Ammonium chloride (NH4Cl) is very soluble in water, 383 g/L at room temperature, and has a standard enthalpy of solution (dissolving) = +14.7 kJ/mol. If you had a saturated aqueous solution of NH4Cl, which of the following acts would increase the NH4Cl solubility? Group of answer choices adding NaCl(aq) to the solution adding HBr(aq) to the solution adding KOH(aq) to the solution cooling the solutionConsider these compounds: A. BaF2 B. Ca(OH)2 C. AgI D. NiCO3 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that manganese(II) carbonate is more soluble than ___ , and manganese(II) carbonate is less soluble than ___. It is not possible to determine whether manganese(II) carbonate is more or less soluble than ___ by simply comparing Ksp values. KSP: MnCO3: 1.8 × 10^-11 BaF2: 1.7 × 10^-6 Ca(OH)2: 7.9 × 10^-6 AgI: 1.5 × 10^-16 NiCO3: 6.6 × 10^-9
- Complete and balance the following neutralization reactions. HNO3(aq)+Ca(OH)2(aq)→HNO3(aq)+Ca(OH)2(aq)→ Express your answer as a chemical equation. Identify all of the phases in your answer.A 45 mL sample of (1.60x10^-2) M calcium hydroxide, Ca(OH)2, is added to 55 mL of 0.010 M sodium sulfate, Na2SO4. The Ksp for calcium sulfate, CaSO4, is 2.4x10-5. What is the value of Q for this solution? Express your answer to three significant figures.how to prepare the following solutions: Preparation of 50.0 mL 3.0 M hydrochloric acid solution by dilution1. Calculate the volume of concentrated HCl needed to prepare a solution of 3.0 M HCl.2. 250.0 mL 1.0 M stock HCl solutionNOTE: Use the 3.0 M HCl solution gotten from #13. 250.0 mL 0.0500 M standard HCl solution from 1.0 M HCl
- Oxygen gas and solid potassium chloride are added to a beaker of distilled water. As the temperature of the water is decreased, a. the solubility of the oxygen will (increase/decrease). b. the solubility of the potassium chloride will (increase/decrease).15. A laboratory technician took 100.0 mL of distilled water and added it gradually to a solution of H2SO4(aq). In the final solution, a. the moles of solute (increases / decreases / remains unchanged), b. the volume of solution (increases / decreases / remains unchanged), c. and the concentration of solution (increases / decreases / remains unchanged)What is the maximum solubility of silver carbonate, Ag2CO3, in g/L, if the solubility product for Ag2CO3 is 8.4x10-12 and the molar mass is 275.75 g/mol. Express your answer to the correct number of significant figures, in scientific notation and include the unit with your answer.Phosphoric acid, H3PO4(aq), can be used toremove rust. Find the molar concentration of an85% (m/v) solution of phosphoric acid in water.