Using the equation pka -log ka calculate the ka from the ph, Ask an Expert

Academics

Question about Buffers
Here is the problem:
0.25 ml of 0.10M acetic acid solution. The pH meter reads 2.88. Use the measured pH and known concentration of the acetic acid solution to determine the pKa of acetic acid.

1. Using the equation pKa= -log Ka, calculate the Ka from the pH value and the starting acetic acid concentration.

2. Calculate the Ka of acetic acid.

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M9411112

Have any Question?Write your Review or question?

Related Questions in Chemistry

What mass of solid naoh 970 naoh by mass is required to

What mass of solid NaOH (97.0% NaOH by mass) is required to prepare 1.00 L of a 10.0% solution of NaOH by mass? The density of the 10.0% solution is 1.109 g/mL.

A 41 kg person walking 56 kmhr requires 758 kj of energy

A 41 kg person walking 5.6 km/hr requires 758 kJ of energy per hour. How much further does he have to walk to consume the addition energy contained i 320 g of ground beef relative to 320 g of broiled chicken? The energy ...

H2g i2g 2hitemperature 731 kif 160 mol h2nbspand 420 mol

H 2 (g) + I 2 (g) = 2HI Temperature = 731 K If 1.60 mol H 2 and 4.20 mol I 2 areplaced in a 1.08 L vessel What is the equilibrium concentration of H 2 in the gaseous mixture? The equilibrium constant is K = 49.7

Magnesium metal0100 mol and a volume of aqueous

Magnesium metal(0.100 mol) and a volume of aqueous hydrochloric acid that contains0.500 mol of HCl are combined and react to completion. How manyliters of hydrogen gas, measured at STP, are produced? Mg(s) + 2HCl(aq) --- ...

An 80-proof brandy is 400 vv ethyl alcohol the proof is

An 80-proof brandy is 40.0% (v/v) ethyl alcohol. The "proof" is twice the percent concentration of alcohol in the beverage. How many milliliters of alcohol are present in 750mL of brandy?

What is the mass percent of oxygen in manganese iv

What is the mass percent of oxygen in Manganese (IV) phosphate? How many cubic feet (ft 3 ) are 5.14E+08 gallons (gal) of water? The density of water at ambient conditions is 1.000 g/mL

Anbsp00500-molnbspsample of a nutrient substance is burned

A 0.0500-mol sample of a nutrient substance is burned in a bomb calorimeter containing 2.00 × 10 2 g H 2 O. If the molar mass of this nutrient substance is 114 g/mol, what is the fuel value (in nutritional Cal) if the t ...

How is vacuum filtration completing the purification of

How is vacuum filtration completing the purification of your sample? Where are the impurities at this point? For a recrystallization lab in organic chemistry

A sample consisting of 10 mol caco3s was heated to 800 degc

A sample consisting of 1.0 mol CaCO3(s) was heated to 800 °C, when it decomposed. The heating was carried out in a container fitted with a piston that was initially resting on the solid. Calculate the work done during co ...

Explain why the mass of the crucible and anhydrous salt is

Explain why the mass of the crucible and anhydrous salt is less than the mass of the crucible and the hydrate. What is the chemical formula of copper (II) sulfate?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert