A student needs to prepare a buffer solution with a pH of 4.18. Assuming a pKa of 4.69, how many mL of 0.1 M NaOH would need to be added to 15.0 mL of 0.1 M HB to prepare this buffer? Please include a proper (abbreviated) unit. HINT : Use pH = pKa + log ([B minus]/[HB]) or, if concentrations are the same, pH = pKa + log (Volume of OH minus/ (Volume of HB minus Volume of OH minus)

Q: e. Cuts) + S,(5)→ 3. Write the products for each decomposition reaction. Balance the chemical equati...

A: Decomposition reactions are those in which chemical species break up into simpler parts.

Q: MI have 6.4 moles of gas at a pressure of 0.059 atm and at a temperature of 48.°C, what is the volum...

A: If I have 6.4 moles of gas at a pressure of 0.059 atm and at a temperature of 48. °C, what is the vo...

Q: Given 4.42 mol of the product N2, find the corresponding amount of NH3.

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Q: Question 7 What variations are tolerated by an analytical method is described by the method's Select...

A: The correct option is:  

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A: The acid which is not totally dissociated when mix with water is given below.

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A: Volume of helium gas = 89.6 L Molar mass of helium gas  = 4.0 g/mol  

Q: chemical formula

A:

Q: 1) Name the following structures: „CH2OH CH30 OCH3 H2C=CHCH2OH HOCH2CHCH2OH он

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Q: Lewis structures

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Q: reaction occurs

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A: All of these are different types of energies. They are defined in the following step.  

Q: density

A:

Q: Calculate the activation energy of the alternate pathway, assuming the reaction rate increases bay a...

A: logkcku=EU-EC2.303×R×Tthe activation energy for  uncatalyzed reaction =EUthe activation energy for  ...

Q: What type of alcohol is produced from the reaction of carboxylic acid with Grignard reagent?

A: Given, When the reaction of carboxylic acid with Grignard reagent is produced:

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Q: Question 7 A supporting electrolyte is usually added to the analyte solution to O increase the scan ...

A: Question 7 In cyclic voltammetry during analyzing a solution, a supporting electrolyte is added. Thi...

Q: 22. How much sodium formate (HCOONa), in gram, do you need to add to 400. mL of 1.00M formic acid fo...

A: [Formic acid] = 1.00 M pH of the buffer = 3.5 Ka = 1.77x10-4  Molar mass of HCOONa = 68.01 g mol-1 V...

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A: Given data: The partial pressure of A at equilibrium = 0.60 atm The partial pressure of B at equili...

Q: density

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Q: H OHH H- H FOH FOH H

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Q: A solution contains 526g of glucose C6H1206) in 750g of water at 32C. The density of the solution is...

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Q: Calculate the molarity (M) of 151.6 g of H2SO4 in 1.095 L of solution.

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Q: Counting Atoms Fill in the table Pb C CI Mass (g) 0.543 1.834 Molar Mass g/mol) 0.685 Moles Total Nu...

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Q: в н B H OH Н-С—ОН -OH Н—С —ОН -OH HO-CH C-H CH2CH

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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.