In the titration of 100.0 mL of 0.050 M HCl solution, what will be the pH after adding 20.0 of a 0.10 M NaOH titrant?

Q: а) b) H,C CH

A:

Q: Binary Ionic Compounds Name Formula 1. chromium(II) nitride 2. phophorus(III) chloride 3. copper(II)…

A: Since you have posted a question with multiple parts, we will solve only first three parts for you.…

Q: What is the molarity of the resulting solution when 300. mL of a 0.400 M solution is diluted to 800.…

A:

Q: List 3 common strong acids. Include both chemical formula and chemical name. a. b. c.

A: Strong acid is the acid which can dissociate completely when dissolved in water  ->There are…

Q: Complete the statement below regarding the pH of the solution at the equivalence point when 40.0 mL…

A: The analyte is 40.0 mL of 0.1 M propanoic acid (HC3H5O2). The titrants are NaOH and Ca(OH)2, both of…

Q: Identify the number of atoms of silver that are in 0.2124 moles of silver

A: Given - - > Number of mol of silver = 0.2124 mol   We known that, 1 mol of atoms = 6.022 x 1023…

Q: How did diluting the buffer affect the pH of the buffer solution itself? ( pls explain it asap!)…

A: The buffer solution is a Solution with fix pH value, there is no any specific effect on pH of such…

Q: Selenium is a photoconductor which means O it is an insulator in the dark and a conductor when…

A: Correct option - - > It is an insulator in the dark and a conductor when exposed to light.…

Q: Calculate the Ksp of CdCO3 if a saturated solution is prepared by dissolving 7.37 x 10-5 mol of the…

A:

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: we need to determine the order of radioactivity and the time for the radioactive nuclei to decrease…

Q: In the titration of 100.0 mL of 0.050 M HClO2 (pKa = 1.96)  solution with a 0.10 M NaOH titrant,…

A: Given: Concentration of HClO2 = 0.050 M Volume of HClO2 solution = 100.0 mL = 0.100 L…

Q: Consider the oxidizing agents Ag+(aq), I2(aq), and MnO4-(aq). Based on the information given below,…

A: Concept:  oxidizing power and reduction potential: Since reduction potential can be thought of as a…

Q: arting with sodium azide as your source of nitrogen and using any other reagents of your choice,…

A: Sodium azide are strong nucleophiles gives SN2 reaction

Q: Write a balanced molecular equation for this combination. If a reaction occurred, write a complete…

A: Given that the reactants are aqueous strontium nitrate and aqueous sodium carbonate. We have to…

Q: Determining the formula of a hydrate: NOTE: Show all steps! A hydrate of magnesium sulfate has…

A:

Q: A student is conducting molecular weight determination of an unknown diprotic acid. He first…

A: Given that -  Total volume of NaOH = 250 mL  Volume of NaOH used by KHP = 24.02 mL  Mass of KHP =…

Q: The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic…

A: The ionic compounds given are MgCl2, LiCl, MgO, CsI.

Q: All amino acids have two ionizable functional groups: an a-amino group (average pk, of 9.4) and an…

A:

Q: Consider the reaction :  A + 2B →   3C   +  4D Suppose that at a particular moment during reaction,…

A:

Q: NaOH is a strong base at 0.0126M concentration. (Show Computation & Highlight Answer) a. What is…

A: NaOH(aq) -------> Na+ +  OH-  0.0126 M of NaOH produces 0.126M of OH-  therefore  [OH-] = 0.126M…

Q: 7. How much heat will be absorbed when 13.7 g of nitrogen reacts with excess O2 according to the…

A: Recall the reaction, N2 + O2 ----> 2NO ∆H = +180 KJ

Q: You dissolve 25 g of CaSO, in water and dilute to 1500 mL. What is the molarity of this solution?…

A:

Q: Consider the skeletal structure shown below. Element A has 6 valance electrons and element B has 7…

A: Formula for determining the hybridization of central atom :-  x= (V+M-C+A)/2  V = valence electrons…

Q: Pressure (kPa) 500 400 300 200 100 Volume (m) 50 100 150 200 250 300 350 400 450 Created by E. Lee…

A: Boyle's law: according to the law the volume of a gas at constant temperature varies inversely with…

Q: Predict the products at the anode and cathode for the electrolysis of magnesium chloride. What is…

A: When magnesium chloride, MgCl2 undergoes electrolysis then following balanced Chemical equation is…

Q: come to equilibrium. The equilibrium concentration of COBr2 was 0.25 M. What is the value of Kc for…

A:

Q: Absorbance Frequency Absorbance Wavelength 300 nm Absorbed Color Ultraviolet Compound Fluorene…

A: * For part a and b provide details from que 1*     Wavelength = Speed of light / Frequency Speed of…

Q: Solve for the pH value when 200 mL of 0.02 M NH3 was titrated with each titrant. a.) 25 mL of…

A: we need to find pH for the given titrations

Q: What is the pH of a solution that has a concentration of 2.0x10-5 M to 2 decimal places?

A: The PH of a solution can be calculated as follows

Q: A solution of Cu* is undergoing a redox titration by the addition of Ce**. The standard reduction…

A: Given, Ce4++e-⇌Ce3+              E°=+1.72VCu2++e-⇌Cu+               E°=+0.161 V

Q: Balance the reaction between Fe2+ and SO42- to form Fe3+ and SO2 in acidic solution. When you have…

A: The unbalanced equation is  Fe+2 + SO4–2 ----------> Fe+3 + SO2 In this reaction, the oxidation…

Q: A 100.0 ml. solution of 0.0200 M Fe³* in I M HCIO, is titrated with 0.100 M Cu*, resulting in the…

A: Given that, a 100.0 mL solution of 0.0200 M Fe3+ in 1 M HClO4 is titrated with 0.100 M Cu+,…

Q: mass of lactic acid is

A:

Q: Draw the major product of this reaction. Ignore inorganic byproducts and the phthalhydrazide…

A:

Q: Calculate the pH of a 0.020M solution of Sr(OH)2 Calculate the pOH of a 0.020M solution of Sr(OH)2.

A:

Q: en deciding between 1,2-addition, 1,4-addition and the major reaction pathway, there's ually an…

A:

Q: Identify a substance which can reduce Sn** (aq) to Sn²* (aq) but cannot reduce Sn+ (aq) to Sn(s).…

A: We would use standard reduction potential values of all species .  The species which is stronger…

Q: a) organism (e.g. fish, mussels) compared to the concentration in the ambient medium. b)…

A:

Q: Which do you predict to have a lower boiling point and why? 1. CH3NH2 2. CH3CH2CH2NH2 Because 3.…

A: CH3NH2 , CH3CH2CH2NH2 ->Amines have tendancy to form hydrogen bonds hence, amines have higher…

Q: A 10 mL sample of 0.8M NAOH is mixed with 10mL of 0.47 M H2X. How much X2- is in solution after both…

A: H2X is a diprotic acid and NaOH is a monoacidic strong base.  The balanced equation for the…

Q: What amount of heat, in KJ, is required to convert 2.10 g of water at 67.0 C to 2.10 g of steam at…

A:

Q: . Please list all expected peaks, bends, and stretches you would expect to see on IR spectra of…

A:

Q: Which of the following will produce an abasic aqueous solution?       KNO3     SO 3…

A: To check which compound give basic solution , we would show their reaction reaction with water .…

Q: #5: Titration of 0.1212 g of pure Na2C2O4 (134 g/mol) required 19.14 mL of KMnO4. What is the…

A: Given reaction: 2MnO4- + 5C2O42- + 16H+ → 2Mn2+ + 8H2O + 10CO2 The mass of Na2C2O4 = 0.1212 g The…

Q: 3. Fill the boxes with the missing reactants, reagents, or the major product(s) expected from cac of…

A:

Q: At the edges of the paper which you happened to touch with sweated hands, what can you conclude…

A: Chromatography is totally based on capillary action. So if we hold the paper in the middle, then…

Q: 2. The hydrogen oxalate ion (HC204-) is amphoteric. Write a balanced chemical equation showing how…

A: 2.) Amphoteric species are those which can act as both acid as base.  Acid is when they lose H+ ion…

Q: Use standard reduction potentials to calculate the standard free energy change in kJ for the…

A: Given-> 2H+(aq) + Co(s) ----> H2(g) + Co2+(aq)

Q: Select the organic product(s) of the following reaction below. More than one answer may be selected.…

A:

Q: Mixtures of helium and oxygen are used in scuba diving tanks to prevent “the bends.”  Calculate the…

A: Dalton's law of partial pressure: According to the Dalton's law of partial pressure the total…