B. Standardization of KMnO4 Mass of Na2C₂O4 Weighing bottle initial mass Weighing bottle final mass Mass of Na2C₂O4 Titration volume of KMnO4 Final reading Initial reading Volume of KMnO4 Calculations mMoles of Na₂C₂04 Volume of KMnO4 Trial 1 2.4331 2.6334 0.2003 26.4mL 6.00L 26,4mL mMoles of KMnO4 Molarity of KMnO4 Average molarity Standard deviation (show calculations) Trial 2 2.433) 2.6358 0.2027 Trial 3 2.4331 2.6380 0.2049 25.8mL 14.5mL 0.00mL -0.00mL 25.8mL 18.5mL

Q: For the following reaction, 3.57 grams of iodine are mixed with excess hydrogen gas. The reaction…

A: Reaction,   H2 (g) + I2 (s) → 2HI (g)  Given, Weight of Iodine = 3.57 g  Weight of HI = 3.28 g  1…

Q: A metal worker uses a cutting torch that operates by reacting acetylene gas, C2H2(g), with oxygen…

A:

Q: The hydroxide ion concentration of an aqueous solution of 0.321 M acetylsalicylic acid (aspirin),…

A: Since acetylsalicylic acid is a acid so it will furnish H+ ions in solution. Also we know that at…

Q: A mixture containing table salt, sand and NH4Cl is placed into a beaker and weighed. The entire…

A: (2) Given that -  Mass of entire content containing table salt (NaCl) , sand , Ammonium Chloride…

Q: 23 An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

A: We’ll apply mole concept to Solve the above question .

Q: The vapor pressure of liquid diethyl ether, Ca temperature of 262 K Assuming that the temperature…

A: Vapour pressure of liquid diethyl ether is 100 mm at temperature = 262 K

Q: Draw the major organic product for the reaction. H Hg(OAc)2, H₂O acetic acid Incorrect Y.

A:

Q: 3.61. The chemical formula for gasoline can be approxi- mated as C8H18. The chemical reaction for…

A: Answer:Entropy is the measure of system's disorderliness or randomness. In more possible microstates…

Q: 2. Use Slater's Rules to calculate the effective nuclear charge (Z*) in the following: a) a 4s…

A:

Q: <Homework 9C-Attempt 1 Exercise 8.101 Part A Explain why atomic radius decreases as you move to the…

A: Atomic radius is the distance from centre of the nucleus to the outermost shell or valence…

Q: When styrene is protonated as shown, on which carbon will the carbocation initially form?

A: Protonation occurs in such a way that a stable carbocation intermediate is formed. The stability of…

Q: What kind of intermolecular forces act between a potassium cation and a formaldehyde (H₂CO)…

A: Given  Ion = k+  Molecule = H2CO  Molecule H2CO is a polar Molecule or dipole  Asking about force of…

Q: OH Hy A Br Br + ent B OH + ent E C F + ent. OH + ent

A: We have to give the reagents for the following transformations.

Q: Read sections 3-9, and 3-10 in Christian, 6h Ed. Use this information to answer the following…

A: In a measurement, uncertainty represents the incorrectness or error of measurement. Thie uncertainty…

Q: Be sure to answer all parts. A³H nucleus decays with an energy of 0.01856 MeV. Convert this energy…

A: Here we are required to find convert the energy for 3H decay from mega electron volume to electron…

Q: Measurements have shown that the concentration of salt in seawater is 35.5 g.L. Calculate the volume…

A: The volume of seawater that must be evaporated is = 14.8 L

Q: Each pictured Lewis structure is invalid. Identify the error in each case. :ö ö: :F EF: Answer Bank…

A: Identify error in each Lewis dot structure

Q: Does a reaction occur when aqueous solutions of magnesium iodide and silver(I) nitrate are combined?…

A:

Q: Consider the reaction: 2 HBr(g) H2(8) + Br2(8) a. Express the rate of the reaction in terms of the…

A: Rate of reaction:

Q: 5. Hemoglobin carries O2 from the lungs to tissue cells, where the O2 is released. The protein is…

A: Given: The equilibrium reaction is: Temperature = 370C = 310K [O2] = [CO] Delta G- = -14kJ/mol

Q: Predict the major products of the following reaction. Be sure to show the stereochemistry of the…

A:

Q: Calculate the energy required to heat 395.0 g of water from 36.6 °C to 53.8 °C. Assume the specific…

A:

Q: Hello I need help with this chemistry problem thank you

A: First H2SO4 is taken which is a source of H+ so when it treat with epoxy line pair of oxygen will…

Q: 1. The data below show the concentration of N₂O5 versus time for the following reaction: N₂O5(9) →…

A:

Q: Draw the major organic product of the reaction shown. HO HBr Select Draw Templates More ///// C H Br…

A:

Q: Part A CH.(g) +45(g)-CS₂(g) + 2H₂S(g) If 35.8 g of CH₂ and 75.5 g of S react, how many grams of H₂S…

A:

Q: 5. Electron Counting For the following recently published complexes, determine (i) the formal…

A:

Q: Calculate the pH at 25 °C of a 0.25 M solution of sodium benzoate (NaC H₂CO₂). Note that benzoic…

A: To calculate the pH of a solution containing a weak acid and its conjugate base, we can use the…

Q: 8. For the radioactive nuclides in table 7.1, which one has the largest value of the decay constant?…

A: The question it is asked that among the four radioactive atoms which atom have higher value of decay…

Q: MISSED THIS? Read Section 8.2 (Pages 312-322). Watch KCV 8.2 WE 8.2. Determine the energy of 1.80…

A:

Q: Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCl(aq) → 2 MCI, (aq) +…

A: Given-&gt; 2M(s) + 3Cl2(g) -----&gt; 2MCl3(s)

Q: What mass in grams of precipitate theoretically forms when 0.500L of 0.100M calcium hydroxide is…

A:

Q: We now turn to an energy diagram showing all the transitions between the n = 1 and n = 6 levels.…

A: When emission of a photon occurs from a higher energy level to the lower energy level, for example…

Q: Macmilla electron configuration for Ga: electron configuration for P: electron configuration for S:…

A: Afbau's principle shows that the electrons are filled up from low energy orbital to high energy…

Q: Draw the main organic products of the reaction. Indicate the stereochemistry, including all hydrogen…

A:

Q: What is the pressure in a 28.0-L-cylinder filled with 38.5g of oxygen gas at a temperature of 343 K?…

A: we have to calculate the pressure of oxygen gas

Q: chemistry help

A: According to the clausius clapeyron equation ln(P2 / P1 ) = (-ΔHvap / R) X ( 1 / T2 - 1 / T1 )…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Answer: When two atom have same atomic number but different mass number then they are called as…

Q: 5. What is the density of carbon dioxide gas at 1.66 atm of pressure and 25.6°C? 6. If 24.6 mL of a…

A:

Q: Suppose 0.849 g of sodium bromide is dissolved in 50. mL of a 0.10 Maqueous solution of silver…

A: First write down the reaction between sodium bromide and silver nitrate. Use that reaction to…

Q: A Question 5 Retake question You determine the empirical formula of a compound to be CH3. In a…

A: Empirical formula = XY  Molecular formula = (XY)n  n= Molecular mass/Empirical mass  A balanced…

Q: When AgBr (s) dissolves in water the solubility of silver ions at equilibrium is 1.5 x10-4 M. What…

A: AgBr ----&gt; Ag+ + Br- [Ag+] = 1.5 x 10-4 M

Q: The gas phase decomposition of nitrosyl chloride at 400 K NOCIR)NO(2) +% Ch(2) is second order in…

A: using 2nd order integrated rate law you can calculate,rate constant.

Q: The vapor pressure of diethyl ether (ether) is 463.6 mm Hg at 25 °C. How many grams of estrogen…

A:

Q: Pressure and temperature affect the amount of space between gas molecules, which affects the volume…

A:

Q: You have 6L 5M sodium chloride stock solution and you want to prepare 2L 250mM NaCl solution. How…

A:

Q: Suppose 17.8 g of iron (II) chloride is dissolved in 150. mL of a 0.70 Maqueous solution of silver…

A: The question is based on the concept of quantitative analysis. we need to calculate concentration of…

Q: Each pictured Lewis structure is invalid. Identify the error in each case. EF:

A: 1) CO2 The given structure is wrong due to incorrect octect rule. Correct structure is given below.