Enter a net ionic equation for the reaction of acetic acid, CH3COOHCH3COOH, with zinc. Express your answer as a balanced net ionic equation. Identify all of the phases in your answer.
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- Write the balanced NET ionic equation for the reaction when aqueous SrBr₂ and aqueous K₂SO₄ are mixed in solution to form solid SrSO₄ and aqueous KBr. Be sure to include the proper phases for all species within the reaction.Write the balanced net ionic equation for the reaction that occurs in the following case: Fe(NO3)2(aq)+KOH(aq)→ Express your answer as a balanced net ionic equation. Identify all of the phases in your answer.Write a balanced equation for the reaction of aqueous sodium carbonate (Na2CO3)(Na2CO3) with aqueous nitric acid (HNO3)(HNO3) to yield CO2CO2, NaNO3NaNO3, and H2OH2O. Express your answer as a chemical equation. Identify all of the phases in your answer.
- Explain the principle of electrostatic precipitation in gas cleaning .Drug: C20H22ClN (Flexeril also known as iCyclobenzaprine HCl Using unit analysis, clearly show the set-ups for your calculations. You wish to prepare 50.0 mL of 2.30 x 10–2 M solution of your drug. (hint-how many grams will you need of your drug?) Describe how to prepare this solution from the pure drug and deionized water. Analytical balances and volumetric flasks are available to you. (Assume that your drug dissolves in water, at least to the extent necessary for this problem.) Use complete sentences in your description of the solution preparation process. A patient is given 2.0mL of a 3.00% (m/v) solution of your drug, how many milligrams of the drug did they receive? What is the molarity of a 3.00% (m/v) solution of your drug?A student determines the molar mass of a liquid unknown by the method used in this experiment. She found that the equilibrum temperature of a mixture of ice and water was 1.0 degrees C on her thermometer. When she added 11.1 g of her unknown sample to the mixture, the temperature, after thorough stirring, fell to -3.0 degrees C. She then poured off the solution through a screen into a beaker. The mass of the solution was 90.4 g. Kf=1.86 degrees C/m How much water was in the decanted solution? What did she find to be the molar mass of the unknown liquid, assuming she made the calculation properly?
- A student determines the molar mass of a liquid unknown by the method used in this experiment. She found that the equilibrum temperature of a mixture of ice and water was 1.0 degrees C on her thermometer. When she added 11.1 g of her unknown sample to the mixture, the temperature, after thorough stirring, fell to -3.0 degrees C. She then poured off the solution through a screen into a beaker. The mass of the solution was 90.4 g. Kf=1.86 degrees C/m 1. What is the freezing point depression? 2. What is the molality of the unknown solution? 3. How much unknown liquid was in the decanted solution?Write the reactions, phases, and conjugate pairs for these chemicals:To each digestion flask 200 mL aliquots of 10 different drinking water samples were added. Silver was extracted by a co-precipitation procedure and collected by filtration. The precipitate was digested in 200 μl hot concentrated nitric acid and diluted to 5 mL in a dilute phosphate solution. Standards were prepared according to the following table. The samples were analyzed by graphite furnace AAS. Calculate the concentration of silver in each sample. Are there any problems? How will you address each of the identified problems?
- In the laboratory, a student was tasked to prepare a stock solution of HCl for titration. The available analytical grade HCl solution in the stock room was labelled 35% w/v HCl. The student proceeded to prepare the stock solution by mixing 10mL of the HCl solution with 490mL of analytical grade water. Then, the solution was further diluted by adding 5mL, since the total volume of the solution did not reach the 500mL etched mark on the volumetric flask. To prepare the titrant, the student mixed 10mL of the stock solution, then added 40mL of analytical grade water. The titrant was subsequently used to determine the concentration of two titrand. *Use the table as a reference 1. What is the normality of the available HCl reagent in the stock room?* 5.08 N 10.15 N 20.3 N 11.0 N None of the choices 2. What is the normality of the stock solution of HCl?* 0.09N 0.10N 0.11N 0.12N None of the choices 3. What is the normality of the titrant?*…Consider the reaction of a 20.0 mL of 0.220 M C₅H₅NHCl (Ka = 5.9 x 10⁻⁶) with 12.0 mL of 0.219 M CsOH. Write the net ionic equation for the reaction that takes place. Be sure to include the proper phases for all species within the reaction.Magnesium Chloride is available as magnesium chloride hexahydrate in an injectable solution that supplies 1.97 mEq of magnesium per milliliter. What is the percent strength of magnesium chloride hexahydrate in this solution?