A soltion is made by the addition of 40 ml of 40 mM NaO to 40 of 30 mM phoshork acd What is the final ptof the solon for HPOA pat 2.12. pa721, pka1232 14400

Q: 6. Suppose that 25.00 mL of a 0.200 M KOH solution is titrated with a 0.150 M solution of the strong…

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

Q: Calculate the pH of a solution that contains 0.375 M HCN and 0.400 M NaCN Data: Ka of HCN = 6.2 x…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Ph Predict the product 1, (CH3)₂NH, H+ buffer 2. -Ph 3. H30 +

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: QUESTION 59 What is the effect on the calculated value of the water of hydration should you fail to…

A: 59) Water of hydration : It is calculated by dividing the mass of the water lost by the mass of…

Q: Q1) A Sada- Lime Sample is 90% NaoH and 10% Cao. 1f 3gm is dissolved in 250 ml, what is Hthe tutal…

A: Given :mass of sample = 3 gram  Normality of solution = 0.51 N Volume of solution = 250 ml   To find…

Q: How many mL of 0.15 M NaOH would be required to titrate 35.0 mL of 0.12 M H2$O4? 2 NaOH + H2$O4…

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Q: 3. Calculate the number of moles a. 1.0 mL 0.10M Pb(NO3)2 and 5.0 mL, 0.10 M KI b. 2.0 mL 0.10M…

A: Solution- (a).No. of moles = concentration × volume Pb(NO3)2 +2KI → PbI2 ↓+2KNO3No of moles of…

Q: 1) KOH 2) EBr N-H 3) H,NNH;

A:

Q: What is the pH of a solution made by mixing 0.30 molNaOH, 0.25 mol Na2HPO4, and 0.20 mol H3PO4 with…

A: Record the given data, 0.20 mol of H3PO4 react with NaOH completely to form 0.20 mol of NaH2PO4 (the…

Q: What is the pH of a solution of 0.400 M CH3NH₂ containing 0.220 M CH3NH3I? (Kb of CH3NH2 is 4.4 x…

A: [CH3NH2] = 0.400 M [CH3NH3I]=0.220 M Kb= 4.4 × 10-4 pH =?

Q: How many volume in liters is required in preparing 1N HCl using 50 grams of it? mwt is 37 g/mole

A: Normality is defined as number of gram equivalent of solute dissolved per litre of solution.

Q: How many moles and grams of Ca(OH)2 are needed to neutralize 25.0 mL of 0.100 M HNO3? (Given: MHNO3…

A: because in neutralisation reaction water release in product side.

Q: What should be the [NH4+]/[NH3] ratio to prepare the NH3/NH4Cl solution with pOH= 4.26? (Kb=…

A: Given that: pOH of ammonia buffer = 4.26 NH3(aq) < .....> NH4+(aq) + OH-(aq) kb of NH3 =…

Q: What volume (in mL) of 0.2800 M HBr is required to neutralize 50.00 mL of 0.7000M KOH?

A: For a balanced chemical reaction.aA+bB→cC+dDMoles of A reacteda=Moles of B reactedb=Moles of C…

Q: What volume of 0.160 M HCI is required for the complete neutralization of 2.00 g of NaHCO3 (sodium…

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Q: pHCalculations_Ayniah luster A B U SA 三 三 三 . What would the hydrogen ion concentration be if the…

A:

Q: a. What is the percent ionization in 0.80 M NH3 (K₁ = 1.8 × 10¯5)? Percent ionization = % b. What is…

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Q: Shonld be mixed rith s.0 lth pH 10.00? 9-13 How mony grams of maco, (Fm 1o5.9) 5.009 g buffer hith…

A: Volume of buffer solution = 100 mL pH =  10.00

Q: A1.00L solson a 0.650 M in ntrous acid and 0 650Min sodium nitrite Calcuate the pH of the solution…

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Q: Dase B) a weak acid (analyte) titrated with a strong base C) a strong base (analyte) titrated with a…

A: From the graph. pH is decreases continuously.  And initially pH is greater than 7 . Then it is…

Q: the cancentration of acetic acid Calculate wnen it Oi145m Noao solution o titrate 34.95 mL of aur…

A: During titration, at the equivalence point, No of moles of acid = No of moles of base As Molarity =…

Q: Explain why a pure water solution of BiCI3 cannot be made.

A: The reaction between BiCl3 and H2O is as follows: This reaction is reversible in nature. When pure…

Q: At the equivalence point for the titration of HCN with KOH, the pH is expected to be A) 7 B) greater…

A: Here HCN - is weak acid KOH - is strong base

Q: Q 9 A 500.0 mL solution of 0.200 M BaCl2, the [Ba] and [CI] concentrations** ... respectively are:

A:

Q: Of the following solutions, which has the greatest buttering capacity? A) 0.521 M HC2H302 and 0.217…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base .it is…

Q: At the equivalence point for the titration of NH3 with HBr, the pH is expected to be

A: NH3 is a weak base & HBr is strong acid . At equivalent point, base is completely neutralized by…

Q: What is the molarity of an unknown H2C2O4 solution if 10.0 mL of the H2C2O4 solution required 21.3…

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

Q: Part A Abeaker with 1.10w10 ml of an aceic acid bufer with a pt of 5.000 is sing on a benchtop. The…

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Q: A solution is made by dissolving 33.5 g of Ba(NO₂)2 in 500.0 mL of water. Using Kb(NO₂) = 2.2 ×…

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Q: Determine the molarity of ammonium ions in a solution that is 0.839 MNH4Cl. MNH4

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Q: Write the balanced equation and use a correct mole ratio to calculate how many milliliters of 0.1154…

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Q: - 20.00 mL of a H₂SO4 solution with an unknown concentration was titrated to a phenolphthalein…

A:

Q: What volume of 0.060 M H2SO4 will neutralie 50.00mL of 0.24M NaOH?  The answer is 100mL

A: 2NaOH + H2SO4 ————> Na2SO4 + 2H2O This is acid base Neutralization reaction. 2 moles of NaOH is…

Q: What is the concentration of a standard solution of CuSO4 made by adding 20.0 mL of water to 5.0 mL…

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Q: 7- How would you classify KCIO4? a) acidic salt b) alkaline salt c) neutral salt d) a weak salt

A: KClO4 is obtained by neutralization reaction of KOH and HClO4.

Q: What percent of a 0.0138 M NaCN solution undergoes hydrolysis? [K, for HCN-3.98E-10] 0.182 4.27…

A: Answer:-This question is answered by using the simple concept of calculation of degree of hydrolysis…

Q: What is the molarity of ions in a 0.824 M solution of Li₂SO4 assuming the compound dissociates…

A: Given, Molarity of Li2SO4 solution = [Li2SO4] = 0.824 M Molarity of ions (Li+ and SO42-), Molarity…

Q: The pOH of a 0.350 M solution of NaOH is

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Q: A 20.0 mL solution of NaOH is neutralized with 26.3 mL of 0.200 M HBr. What is the concentration of…

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Q: How many milliliters of 0.20M HCl is required to neutralize 80.0 mL of O.80 M NaOH?

A: Given :-  molarity of NaOH solution = 0.80 M volume of NaOH solution = 80.0 mL  molarity of HCl…

Q: Lwhet volume ta al- O.225 M hytrochelic acid is needed to complety neutralize 25.0 me oF 0.150 M…

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Q: Suppose in an experiment to determine the amount of sodium hypochlorite in bleach, 0.0000552 mol…

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Q: Molarity arı

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Q: In a 3.8M aqueous solution of benzoic acid (C6H, CO₂H), what is the percentage of benzoic acid that…

A: Benzoic acid is a weak acid. Hence, it will not dissociates completely. If a, C and Ka are the…