The strength of a phosphoric acid sample is found to be 40% P2O5 by weight. Find the actual concentration of H3PO4 (weight %) in the acid.

Q: 2.1 Calculate the pH of 1.0 M HC2H3O2 solution, using Ka = 1.7 × 10-5 .  Begin this calculation by…

A: #Q.2.1: Given the concentration of HC2H3O2 solution = 1.0 M Equation for the dissociation of…

Q: Doc Jill wants to determine the Ao of a weak acid she isolated called Yurdaughteric acid (HYd). She…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Calculate the ionic strength of the following solutions: 05 M Al(ClO4)3

A: Ionic strength is used to measure the concentration of ions in the solution. Formula to determine…

Q: Calculate the weight of solid Ba(OH)2 (MW = 171.34g) in order to make a 0.39 litre of the base…

A: Here we are required to mass of Ba(OH)2.

Q: Calculate the ionic strength of 0.040 M Na2SO4. pls show the solution

A:

Q: Choose the best answer for the pOH of a solution containing 4.0 x 10-M of [H]. 6.3 x 106 2.5 x 10-10…

A: PH is defined as negative logarithm hydrogen ion concentration to the base 10…

Q: In 100-200 words, Differentiate acidimetry from alkalimetry.

A: We have to differentiate  acidimetry from alkalimetry as follows in step 2:

Q: calculate the equivalent weight pf KMnO4 in acidic medium.

A: KMnO4 is a strong oxidizing agent. The oxidation state of Mn in KMnO4 is +7. In acidic medium, Mn+7…

Q: Acetic acid (concentration 0.00128 mol / lit) has an equivalent conductivity value of 0.04815 ohm^-1…

A: Dissociation constant of weak acid, acetic acid can be determined by finding the value of degree of…

Q: Analyze the changes in conductance as the reaction progresses when a strong base is reacted with a…

A: The conduction of the solution is based on the mobility of the ions present in it. If the mobility…

Q: Which of the following will result to an unlit light bulb when subjected to the conductivity test?…

A: A multiple choice question based on electrolysis that is to be accomplished.

Q: mL of water sample requires 2.95 mL of 0.0112 M Na25

A: According to the question, we need to calculate the oxygen concentration if the titration of 33.0 mL…

Q: What is the ionic strength of a 0.050 M solution of sodium carbonate? 0.30 M 0.10 M 0.20 M 0.050 M…

A: Here, we have to calculate the ionic strength of a 0.050 M solution of sodium carbonate.

Q: Solve the pH of 0.1 M solution of nitric acid at 25C temp.  Ka = 4.5x10-4

A: We can calculate pH by calculating [H+]

Q: A student is asked to perform a neutralization reaction between hydrochloric acid, HCl and sodium…

A: Concentration or Molarity is defined as “the mole of the solute per unit volume of the solution”. It…

Q: The activity coefficient of Ni2+ ion (a Ni2+ =0.6 nm) in a solution that has an ionic strength of…

A:

Q: Calculate the ionic strength of 0.2 M CaCl2

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Q: True or False For strong electrolytes, such as hydrochloric acid, the molar conductivity decreases…

A: Strong electrolyte are those substance which dissociate completely. eg: HCl , KCl etc.

Q: 3. What is the percentage strength of a reagent solution prepared by dissolving 1.5 oz of silver…

A: The percentage of AgCl = 9.0% (option c).

Q: Calculate the mass (in g) of solid sodium hydroxide (molar mass = 39.997 g/mol) required to prepare:…

A:

Q: How many grams of calcium hydroxide (Ca(OH) 2) are needed to prepare a solution of 0.0250 normal…

A: Given,  Normality of Ca(OH)2 = 0.0250 N  Volume of the solution in L = 1.5 L  Calculate the mass of…

Q: 1 Weight of H2C2O+2H2O (g) 2 Molarity of H2C2O4 2H2O Solution (M) Volume of H2C2O42H2O used per…

A: Given that,  mass of H2C2O4.2H2O = 1.58 grams then the number of moles of H2C2O4.2H2O  = mass of…

Q: Complete the given data sheet in determination of total alkaline strength in soda Show your…

A: Alkaline strength is the the strength of solution is the ability of a solution to neutralize an…

Q: Find the ionic strength of a solution with 50 mg/L of Nacl and 100 mg/L of CaSO4.

A: Conversion of mg/L into mol/L: 50 mg/L of NaCl: =50×10-3 g/L58.44 g/mol=0.856×10-3 mol/L   100 mg/L…

Q: Standard solution used in nonaqueous alkalimetry: a. hydrogen bromide b. sodium hydroxide c.…

A:

Q: What is the ionic strength of 0.10 M ZnSO4?

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: C: Determination of Ka of a Weak Acid: 25 mL of 0.01 M acetic acid solution is mixed with 25 mL of…

A: We would use Henderson Hasselbalch equation to calculate pKa and using pKa we can calculate Ka.

Q: What is the ionic strength of 0.50 M Al2(SO4)3 + 0.10 M Na2SO4?

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: Weighed quantity of dry potassium bromide 1,5560 gr (M=167,000 g/mol) dissolved in water with…

A: Measuring the quantity of a solution of a known concentration of titrant that is needed to react…

Q: 8. For a 200 mL of an aqueous solution containing 0.1 moles of KCl. If the specific conductance is…

A:

Q: The pH for 0.050 M CH3NH2 (Kb for CH3NH2 = 4.0 X 10^-4 )?

A:

Q: How do you differentiate the method of standardizing the NaOH solution from that of HCl solution?

A: Standardization is a method used in analytical chemistry to determine the exact concentration of a…

Q: 50 ml of .2M KNO3 from 4.0 M stock solution

A: Given: Volume of KNO3 solution = 50 mL Molarity of KNO3 solution = 0.2 M Molarity of stock solution…

Q: A certain weak dliprotic acia, and Kaz 5.47x1010 calaulate HZA solution.

A:

Q: 19. SO32- + MnO4 → SO,?- + MnO2 (basic solution)

A:

Q: Determine [H30*] of a 0.250 M solution of formic acid (Ka 1.8 x 10-4).

A:

Q: The activity coefficient of Ni2+ ion (a Ni2+ =0.6 nm) in a solution that has an ionic strength of…

A:

Q: Calculate the ionic strength of a solution of 0.10 M KCl.

A:

Q: 0.02 M CH3COOH solution has a resistance of 240 ohm with a cell constant of 0.366 cml. Calculate the…

A: Conductivity of CH3COOH aqueous solution ( k ) : k = G*R= 0.366240= 0.001525 S cm-1  Molar…

Q: Strontium acetate A.) Sr(C2H3O2)2 (aq), strong electrolyte B.) SrC2H3O2 (s), weak…

A: A compound is said to be a strong electrolyte if it completely dissociates into its respective ions…

Q: Solve for no.1 only with solutions.   ps. Not graded activity.

A: Molecular weight of KNO3= 18.0g/mol Molecular weight of H2O= 18.0 g/mol mole of KNO3= 5.02/101.10=…

Q: Calculate the Hö0] and OHT carcentations for cach Of your PH Valves | Hal H2D LOH! 3.00 LOS 2.10…

A:

Q: 3.5×104 M solution of ethanoic acid has conductivity of 4.25×10$ S cm'. Determine the molar…

A: Molar conductivity of ethanoic acid ( 3.5 x 10-4 M ) solution: Λm=k × 1000M= 4.25 × 10-5× 10003.5 ×…

Q: 8.) Calculate the ionic strength of 0.040 M NazSO4.

A:

Q: Arrange the following bases in order of decreasing strength: Caffeine (Kb = 4.10 x 10-4), Codeine…

A: basic strength directly proportional to kb.  so higher kb then higher strength.

Q: Make a scheme with this procedure. Write the result.  Procedure   1. Place 20 drops of each of the…

A: The rate of chemical reactions is made faster by adding catalysts. Water is a universal solvent.…

Q: How many grams of calcium hydroxide (Ca(OH)2) are needed to prepare a solution of 0.0250 normal…

A: Given: Normality of the solution = 0.0250 N And volume of solution = 1.5 L.

Q: What is the dissociation factor "i" for non-electrolytes? O a. 0 O b. 3 O c. 1 O d. 2

A: Dissociation factor  i for non electrolytic solution.

Q: The equivalent conductance of a 0.0140N solution of chloroacetic acid is 109.0 at 250C. What is the…

A: The ionization constant (Ka) of chloroacetic acid has to be given,