SHDHDAJSJASDBDKSJXC What is the Calcium ion & Chloride ion activity of a solution containing 0.010 M CACI2?Step 4: Calculate the activity of the ions.What is the activity of Ca2+?

Ca2++2Cl-=CaCl2 That means 1 mol of calcium ion and 2 moles of chloride ion react and produce 1 mol…

Answered: tep 4: Calculate the activity of the…

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter17: Equilibrium

Section: Chapter Questions

Problem 66QAP: . Chromiurn(III) hydroxide dissolves in water only to the extent of 8.21105M at 25 °C. Calculate...

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Similar questions

The chemical activity (a) of an ion in the solution is related to the actual concentration of the ion. Which one, if any, of the following statements is actually true? (i.) The chemical activity of an ion is closest to the actual concentration when the ion concentration is very high. (ii.) Chemical activity and the activity coefficient are two names that have the same meaning. (iii.) A substance in its standard state will have a chemical activity of 0. (iv.) In a solution with high ionic strength in the background, Cl^-^ ions will have less repulsion for each other. (v.) Actually, none of this is true.
A solution is measured pH = 3.7 at room temperature. Calculate the activity of H+ = ______ mol/L. 3 sig. fig.
Calculate the activity of the bromide ion in a solution that is 0.050M KBr, 0.050M NaBr, and 0.050M HBr.
A sample of 0.0500 M barium nitrate solution and 0.0500 M sodium sulfate solution was labeled with radioactive . The radioactivity of the initial sodium sulfate solution was 1.22 x106 counts per second. After the formation of the precipitate and purification by filtration the remaining radioactivity in solution was 250 counts per second. Calculate the Ksp for the following dissociation: BaSO4(s) ↔Ba+2(aq) + SO4-2(aq) Group of answer choices 5.96x104 1.02x10-5 1.05x10-10 5.12x10-7
1.) What type of chemical reaction takes place when magnesium metal is added to a solution of iron(II) sulfate? a. Which of the compounds or ions used in this lab is toxic? What is a catalyst? b . Which of the compounds or ions used in this lab is toxic? Why is a universal indicator used in this lab?
(a) Given the Ksp of calcium phosphate, Ca3(PO4)2 is 1.3 × 1032. Calculate concentrations of Ca2+ and PO43− respectively. (b) If a hard water contains 75 mg/L of Ca2+, at what concentration of PO43- would a precipitate of Ca3(PO4)2 begin to appear?
The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The half-life of phosphorus-32 is 14.3 days. If you begin with 40.4 mg of this isotope, what mass remains after 22.3 days have passed?_____mg 42.0 mL sample of a 0.476 M aqueous hydrofluoric acid solution is titrated with a 0.305 M aqueous barium hydroxide solution. What is the pH after 19.9 mL of base have been added? Ka for HF is 7.2 × 10^-4 pH =____
The pH of an aqueous solution of weak monoprotic acid is 3.15. What is the initial concentration of the acid if the pKa of the acid 5.74? A. 0.657 M B. 0.315 M C. 0.274 M D. 0.387 M E. 0.0576 M
A sample of 0.0500 M barium nitrate solution and 0.0500 M sodium sulfate solution was labeled with radioactive . The radioactivity of the initial sodium sulfate solution was 1.22 x106counts per second. After the formation of the precipitate and purification by filtration the remaining radioactivity in solution was 250 counts per second. Calculate the Ksp for the following dissociation: BaSO4(s) ↔ Ba+2(aq) + SO4-2(aq) Group of answer choices 1.05x10-10 5.96x104 1.02x10-5 5.12x10-7
If the concentration of CO2 raises from 400 to 700 ppm, what would the ph change in a rain droplet be?
A 1.2525 g sample of canned tuna was analyzed by the Kjeldahl method: 30.25 mL of 0.1200 N HCl was required to titrate the liberated ammonia. Calculate the % N in the sample. a. 3.25 % b. 5.32 % c. 4.06 % d. 7.46 %
Calculate the activity of Lat3 and IO3-, in a saturated solution of La(IO3)3 in a) water, b)0.010 M La(NO3)3 and c) 0.15 M Al(NO3) 3. Calculate also the concentration constant, K'sp in each case. Ksp = 1.0 x 10-11

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tep 4: Calculate the activity of the ions. What is the activity of Ca2+?