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- 3What is the ratio strength of benzalkonium chloride in a nasal spray that contains 125 µg/mL of the ingredient? a 1:8 b 1:80 c 1:800 d 1:8000What is the concentration of F— ions when 422.569 mg of MgF2 (62.3018 g/mol) completely dissociates in 1.361 L of water? Enter the numeric answer only in the units of mM (millimolar). Do not enter the unit.Question: The solubility of TlCl [thallium(I) chloride], an intermediate formed when thallium is being isolated from ores, is 3.12 grams per liter at 20 °C. What is its solubility product? It's from Chemistry: Atoms First 2e, an OER from Rice. Ch15.
- Perform these calculations for nickel(II) carbonate. (a) With what volume of water must a precipitate containing NiCO3 be washed to dissolve 0.100 g of this compound? Assume that the wash water becomes saturated with NiCO3(Ksp=1.36107). (b) If the NiCO3 were a contaminant in a sample of COCO3(Ksp=1.01012), what mass of COCO3 would have been lost? Keep in mind that both NiCO3 and COCO3 dissolve in the same solution.Q1) what is The concentration of Hg in PPm in the solution in equilibrium with Hg2(CN)2 ? PKSP ( Hg2(CN)2 )=39.3 Pka(HCN) = 9.2 Mw(Hg) =200.6.What is the cobalt(II) ion concentration in a solution prepared by mixing 357 mL357 mL of 0.396 M0.396 M cobalt(II) nitrate with 475 mL475 mL of 0.399 M0.399 M sodium hydroxide? The ?spKsp of cobalt(II) hydroxide is 5.92×10−155.92×10−15 .
- Activity 1.5: Perform the following problems related to stoichiometry equation. A sample of saturated NaNO3 (aq) is 10.9 M at 25 degrees Celcius. How many grams of NaNO3 are in 230 mL of this solution at the same temperature?calculate the molarity of CaSO4 (s) in 0.450 M Na2SO4(aq) at 25°C. the ksp of CaSO4 is 4.93 x 10^-5. give answer in stnadard not scientific notation1.68 L of an aqueous solution containing 25.00 g of KCl dissolved in pure water is prepared. The molarity of the solution is: Select one: a. 14.9 M b. 0.200 M c. 0.399 M d. 5.01 M e. 0.0998 M
- What is the solubility of La(IO3)3 in a solution that contains 0.150M of La3+ ions? Ksp of La(IO3)3 is 7.5x10^-12The concentration of OH– in a saturated solution of Mg(OH)2 is 3.6 × 10–4 M. What is Ksp for Mg(OH)2? Question 32 options: A) 1.3 × 10–7 B) 4.7 × 10–11 C) 1.2 × 10–11 D) 3.6 × 10–4 E) none of theseWas wondering how to solve this hw problem? Calcium Flouride (dissociation) K@25 C = 3.94 *10^-11 Calcium fluoride is not very soluble in water. ** Its dissociation is: CaF2 (s) Ca²+ (aq) + 2 F¯ (aq) a. At 25°C, how many milligrams of CaF2 would dissolve in 2.0 L of water? b. What were your initial and final values of Q?