In this experiment, the color change from pink/violet to colorless during the titration is caused by: Group of answer choices a.change from MnO4– to Mn2+ b.change from Fe2+ to Fe3+ c.change from H+ to H2O d.the addition of an indicator.

Q: Calculate the mass percent of a solution that is prepared by adding 34.5 gg of NaOHNaOH to 225 gg of…

A:

Q: Macmillan Learning Question 8 of 18 What is the daughter nucleus (nuclide) produced when 64 Cu…

A: Beta decay is a type of radioactive decay in which beta ray is emitted from the nucleus of atom. It…

Q: From the values of AH and AS, predict which of the following reactions would be spontaneous at 25°C:…

A: Based on the values of enthalpy change and entropy change we need to predict the spontaneity of…

Q: What is true about the molecules below? B O A. is m-dichlorobenzene OB. is aromatic OC. is…

A: Option first - False as there is no Chlorine in A  Option second - False as it is anti aromatic.…

Q: Use the thermodynamic data given below to compute the formation constant, Kf for [Zn(NH3)4]2+ in…

A: Answer:- Firstly a balanced equilibrium equation is written then using given standard enthalpy vqand…

Q: Which of the following statements is untrue regarding DNA? Multiple Choice Phosphate groups link the…

A: According to me, only B option looking untrue, rest are true.  Explanation: The nitrogenous bases…

Q: could you give furthur explination on how C was calculated

A:

Q: Determine the pH of a solution in which the hydronium ion concentration was determined to be 2.00 x…

A: pH is equal to negative logarithmic of hydrogen ion concentration

Q: What volume of each of the following solutions contains the indicated amount of dissolved solute?…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: aromatic)? O U 0 U 0 B D M F compounds above will have & electrons in 12 conjugated pl-system (and

A: Aromatic Compounds are the compounds that are cyclic, conjugated, planar and follow (4n+2)πe- rule(…

Q: True or false 0.100 L of 0.255 mol/L battery acid is diluted until it reaches a final concentration…

A: Given, 0.100 L of 0.255 mol/L battery acid is diluted until it reaches a final concentration of…

Q: Hi! I keepy getting an answer that is incorrect. Can you help me understand what i am doing wrong??…

A:

Q: A container holds 5.90 g of CH4(g) and 20.6 g of CO2(g), and the total pressure = 800. torr.   What…

A:

Q: SO has several resonance structures. Consider one of these structures in which all the atoms follow…

A: Correct answer is  The molecular geometry or shape of SO3 is trigonal Planar. It is exceptional case…

Q: I'm sorry, the solution is incorrect

A:

Q: Cr2O72– (aq), reacts with zinc metal to produce Cr3+ (aq) and Zn2+ (aq) ions. When the reaction is…

A:

Q: What mass of solution contains each of the following amounts of dissolved solute? 10.5 gg of acetic…

A:

Q: Macmillan Learning Question 9 of 18 > What is the daughter nucleus produced when 50 Mn undergoes…

A:

Q: Complete the equation to show how pyridine, C, H, N, acts as a Brønsted-Lowry base in water.…

A: Bronsted Lowry bases are those which can accept the proton in the solution from the counter molecule…

Q: A beaker contains 29.9 mL of propane (C3Hg, density is 0.500 g/mL). Determine how many C atoms this…

A: Given: The volume of C3H8 = 29.9 mL The density of C3H8 = 0.500 g/mL We have to find the number of C…

Q: give the organic product/s of the following reactions (include stereochemistry where appropriate) ,…

A:

Q: Standard solutions of sodium carbonate, Na2CO3(aq), are required for certain types of chemical…

A: 8.50 g of sodium carbonate is dissolved in 500 mL of distilled water .We have to calculate the…

Q: Consider the following log C-pH diagram for the hypochlorous to (HOCKOCI) system. It is useful to…

A: Given: log C-pH diagram for hypochlorous-hypochlorite system To determine: 1) CTotal 2. Label the…

Q: Write a balanced net ionic equation for each of the following acid–base reactions.…

A:

Q: 17.44 What amino acid is coded for by each of the following mRNA codons? b. UUC a. UCU hoidize c.…

A: Explanation: Amino acids are actually the organic compounds containing an amino and carboxylic acid…

Q: Complete the following table for a selection of foods: Food [H3O+] [OH-] PH Apple juice Soy milk…

A: Soy Milk is neutral .

Q: Wetlands can play a significant role in removing fertilizer residues from rain runoff and…

A: Ideal gas law - Ideal gas law gives the relation between pressure, volume, temperature, and the…

Q: 2. A 12.5 g sample of metal with a temperature of 100.0 °C is placed in a calorimeter holding 75.0 g…

A:

Q: Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric…

A:

Q: A solution is made by adding 0.31 mol of lithium hydroxide (LiOH) in enough water to form 2 L of…

A:

Q: M Anode [Review Topics! Battery Cathode (positive electrode) (negative electrode) HCIO(aq) + H₂O(l)…

A: As you have asked for the last two reactions, we are solving for you the same,   Bright light will…

Q: A stock solution was made by adding 200.0 g of CaCl₂ to 300.0 g of water. Next, a dilute solution is…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: Which of the following species are present in an aqueous solution of HClO? A) HClO F) HC+ B) H2O G)…

A: Name of the compound HClO is  Hypochlorous acid.

Q: The total number of valence electrons in the molecule BrF is 5 called 42, Square pyramidal 42,…

A:

Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab,…

A: The ∆Hrxn can be calculated by using the standard enthalpy formation for the species by the…

Q: If 50.1 mL of 0.128 M hydrochloric acid requires 17.5 mL of NaOH solution to reach the endpoint,…

A: Sodium hydroxide reacts with hydrochloric acid, to form sodium chloride and water. The equation for…

Q: What allotrope of tin is most stable at low temperatures? O Gray White Brown Tin does not have…

A: First, we need to check the allotropes of the tin and then we need to check which one is stable at…

Q: 17.52 Use three-letter and one-letter abbreviations to write the amino acid sequence for the peptide…

A: We are given a particular sequence in the question and we are asked to Use three and one letter…

Q: For the reaction: A(g) + B(g) the following data were obtained at constant temperature. Experiment 1…

A:

Q: In a 0.09 M solution of chlorous acid, what percentage of the acid is ionized to the chlorous anion,…

A: Value of Acid dissociation constant, Ka = 1.1 × 10-2

Q: of water. One of the 12. Electrolysis half-reactions for the electrolysis of water is: 2H2O (1)…

A: Given :  The balance chemical reaction equation is  2H2O (1) -----> O2 (g) + 4H+ (aq) + 4e-…

Q: The equilibrium expression for the the reaction: H2(g) + I2(g) 2HI(g) would be: Given the…

A:

Q: For hospital patients suffering from dehydration, it may be necessary to provide them with…

A: A numerical problem based on quantitative analysis. A stock solution and the target working solution…

Q: 79. A solution contains an unknown mass of dissolved barium ions. When sodium sulfate is added to…

A: 79. Given,Barium ion reacts with sodium sulfate to form a white precipitate .The mass of…

Q: If a 50.42 mg sample of a pure radioisotope has a half-life of 38 days, what will be the mass of the…

A:

Q: A 20.00 mL sample of vinegar was titrated with 1.00 M NaOH. If it took 15.00 mL of NaOH to reach the…

A: The volume of the vinegar sample = 20 ml The volume of the NaOH = 15.00 ml The concentration of NaOH…

Q: Calculate the nuclear binding energy (in J) and the  binding energy per nucleon of the following…

A: We have to find Binding Energy.

Q: These reactions are important in catalytic converters in automobiles. Compound AG (kJ/mol) CO(g) -…

A: Given, 5H2(g) + 2NO(g) ----> 2NH3(g) + 2H2O(g) ∆G° for the following reaction = ? ∆G°f value for…

Q: ▾ aspirin with [OH-] = 2.2 x 10-¹¹ M. Express your answer using two significant figures. 197) ΑΣΦ…

A: • The values provided in the question are:-      i) Hydroxide ion concentration of aspirin, [OH-] =…

Q: 1) NaNH, 2) CH3CH₂ 3) Li/NH3 4) D₂/Pd/C i.e., like H₂, but with deuterium

A:

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.