Complete the balanced molecular reaction for the following weak base with a strong acid: 5 N2CIO:(aq) + 2 H2SO.(aq) → 4 CIO2(g) + 2 Na:SO.(aq) + NaCI(aq) + 2 H.O() 1. 8. 9. 0. ロ口 。 (s) (1) (g) | (aq) Na OH H. CI H.O H.O Reset * H.O Delete 成 3. 2.
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Given: Equation
To find : Molecular and ionic equation
Solution: Molecular equations are the reactions in their Molecular forms. Physical states are written in brackets as s for solid, l for liquid , g for gases and aq for aqueous.
Ionic equations are the equation written in ionic form . In ionic forms aqueous one gets dissociated in ions.
The net ionic equation is the equation in which the spectator ions are not present.
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- 3.85 The particulate drawing shown represents an aqueous so- lution of an acid HA, where A might represent an atom or group of atoms. Is HA a strong acid or a weak acid? Explain how you can tell from the picture.When HCl(aq) is added to calclum carbonate solid, carbon dioxide gas, liquid water and aqueous calcium chloride form: Caco,(s) + 2HCI(aq) - CO,lg) • CaCl, faq) + H,00) This reaction is used by geologists to confirm the presence of limestone (calcium carbonate) in minerals. In this experiment you are trying to determine the effect of concentration of HCI(aq) on the production of carbon dioxide. a. Based upon the information above, come up with a question to answer. (C:1) You can use the following equipment to answer this question: calcium carbonate chips, 1.90 molL HClaq). pH meter (measures hydrogen ion concentration), beaker, timer, apparatus to measure gas produced b. Based upon the equipment provided above, design a procedure to answer your question. Ensure you provide numbered steps. (1:3, C:2) c. Hypothesize an answer to your question. (I:1) Give reasons for your hypothesis. Ensure you are very specific. (A3) From your experiment, you collect the following data: Reactant…A major component of coral is carbonate ions, which is created by the dissociation of bicarbonate ions as follows: HCO3-(aq) ⇌ CO32-(aq) + H+(aq) How will carbonate ion concentrations potentially be affected by an increase in the acidity of the ocean? Please explain the reasoning for your response in 1-2 sentences.
- A student prepares a dilute solution of sodium hydroxide, NaOH (aq), starting with 6 M sodium hydroxide. She then titrates a 1.372 g sample of KHP with the dilute sodium hydroxide solution, NaOH (aq), to a phenolphthalein end point. 1. If the titration required 21.84 mL of sodium hydroxide, NaOH (aq), calculate the molar concentration of the sodium hydroxide solution, NaOH (aq). (Remember that KHP is potassium hydrogen phthalate, KHC8H4O4, NOT potassium hydrogen phosphorus!) 2.The student uses the same sodium hydroxide to titrate 10.00 mL of vinegar to a phenolphthalein end point. If the titration required 27.48 mL of sodium hydroxide, NaOH (aq), calculate the molar concentration of acetic acid, HC2H3O2 (aq), in the vinegar. 3. Calculate the mass percent of acetic acid, HC2H3O2 (aq), in the vinegar using the molar concentration for acetic acid, HC2H3O2 (aq), determined in part b and assuming the density of the solution is 1.01 g/mL.In the standardization of HCl using pure anhydrous sodium carbonate as the primarystandard for methyl orange as an indicator, 1.0 mL HCl was found to be equivalent to 0.05gof sodium carbonate (MW =106). The normality of HCl is: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 HBr(aq) to the solution cooling the solution adding NaCl(aq) to the solution adding KOH(aq) to the solution
- Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O+H3O+ in a cola that has a pHpH of 2.670? Express your answer with the appropriate units.An analyst is planning to standardize a 0.200 mol/L NaOH solution for use in neutralization. For this, he chose to standardize the NaOH solution using potassium hydrogen phthalate. (KHC8O4H4, molecular mass 204.22 g mol/L) - Knowing that potassium hydrogen phthalate is a solid, what is the mass of potassium hydrogen phthalate in grams, the analyst should weigh to standardize the NaOH, anticipating spending 15 mL of NaOH solution approximately 0.200 mol/L ? [Answer; m=0.6123 g] NaOH + KHC8O4H4 → KNaC8O4H4 + H2O(Neutralization reaction in standardization) - Why you need to standardize the NaOH solution and why use potassium hydrogen phthalate?A)When working in the lab, you are measuring the pH of a system. The pH meter reads 4.34. What is the concentration of [H3O+] in solution? B)You have created a solution of NaOH by dissolving NaOH in water. You determine that the [OH-] concentration in solution is 4.37 x 10-9. What is the pOH of the solution? C)What is the pH of a solution containing an [H3O+] = 9.67 x 10-3?
- How many grams of NaHCO3 (baking soda) would you need to neutralize 675 mL of battery acid (H2SO4, 6.00 M) that has been spilled on your garage floor? Assume that the concentration of the battery acid is 12 molar. 340. g 17.0 g 680. g 170. g 19.0 gA student prepares a dilute solution of sodium hydroxide, NaOH (aq), starting with 6 M sodium hydroxide. She then titrates a 1.372 g sample of KHP with the dilute sodium hydroxide solution, NaOH (aq), to a phenolphthalein end point. A.) If the titration required 21.84 mL of sodium hydroxide, NaOH (aq), calculate the molar concentration of the sodium hydroxide solution, NaOH (aq). (Remember that KHP is potassium hydrogen phthalate, KHC8H4O4, NOT potassium hydrogen phosphorus!) B.) The student uses the same sodium hydroxide to titrate 10.00 mL of vinegar to a phenolphthalein end point. If the titration required 27.48 mL of sodium hydroxide, NaOH (aq), calculate the molar concentration of acetic acid, HC2H3O2 (aq), in the vinegar. C.) Calculate the mass percent of acetic acid, HC2H3O2 (aq), in the vinegar using the molar concentration for acetic acid, HC2H3O2 (aq), determined in part b and assuming the density of the solution is 1.01 g/mL.A student prepares a dilute solution of sodium hydroxide, NaOH (aq), starting with 6 M sodium hydroxide. She then titrates a 1.372 g sample of KHP with the dilute sodium hydroxide solution, NaOH (aq), to a phenolphthalein end point. a) If the titration required 21.84 mL of sodium hydroxide, NaOH (aq), calculate the molar concentration of the sodium hydroxide solution, NaOH (aq). (Remember that KHP is potassium hydrogen phthalate, KHC8H4O4, NOT potassium hydrogen phosphorus!) b) The student uses the same sodium hydroxide to titrate 10.00 mL of vinegar to a phenolphthalein end point. If the titration required 27.48 mL of sodium hydroxide, NaOH (aq), calculate the molar concentration of acetic acid, HC2H3O2 (aq), in the vinegar. c) Calculate the mass percent of acetic acid, HC2H3O2(aq), in the vinegar using the molar concentration for acetic acid, HC2H3O2 (aq), determined in part b and assuming the density of the solution is 1.01 g/mL.