(c) Explain how activity (a) is related to concentration (C) and state why at very low salt concentrations a = C yet at high concentrations a # C. %3D
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- Which salt would you expect to dissolve readily in acidic solution, calcium phosphate, Ca3(PO4)2, or calcium sulfate, CaSO4? Give an explanation.Which salt would you expect to dissolve readily in acidic solution, calcium phosphate, Ca3(PO4)2, or calcium sulfate, CaSO4? Give a full and clear explanation.Calculate the activity coefficients and activity of ions in 0.07 M Mg3(PO4)2. (Answer: 0.00528, 7.39x10-4)
- Find the activity coefficient of Ba2+ in a solution of 2.61 mM BaCl2given that Ba2+ has an ionic size equal to 135 picometers.Calculate the amount of oxalic acid (C2H2O4.2H2O) to prepare 0.04 Molar solution in 200 mL.[Na=23, H=1, C=12, O=16, S=32]What is the molality of lithium ions in a 0.302m solution of li3po4 assuming the compound dissociates completely?
- What is the molarity of a 1500ml solution containing 0.315 moles of NaOH? MW= Na: 23. O: 16, H: 1What volume of a 0.229 M sodium hydroxide solution is required to react with 16.4 mL of a 0.141 M hydriodic acid solution? Give your answer to three significant figures. The reaction is: HI + NaOHNaI + H2O mL NaOHHow do you calculate the nominal of Na2S2O3 of the solution?
- How much grams can CaSO4 be dissolved in 250mL of H20 with the KSP of CaSO4 being 2.4 x 10^-5How many ions are produced in solutions by dissociation of one formula unit of Ca3P2?Describe in detail the steps involved to prepare the solution below. a) 0.2% (v/v), (v/w), (w/v) and (w/w) solution of acetic acid.