Explain the ph before any naoh was added

Assignment Help Chemistry
Reference no: EM13533263

A 50.0-mL sample of 0.300M propionic acid, HC3H5O2 (a weak acid), was titrated with 0.150 M NaOH.

Ka for propionic acid is 1.3 x 10-5.

a) What is the pH before any NaOH was added?

b) What is the pH after 75.0 mL of the NaOH was added?

a) What is the pH at half-equivalence point?

b) What is the pH at the equivalence point?

Reference no: EM13533263

Questions Cloud

Determine what is the total impedance : In the series RLC circuit which consists of a 150-ohm resistor, a 1.27x10^-6 F capacitor, and a 0.035 H inductor, 60.0Hz power supply. What is the total impedance
Define the hydronium-ion concentration in a solution : What is the hydronium-ion concentration in a solution resulting from mixing 130. mL of 0.100 M HCN and 30.0 mL of 0.100 M KOH at 25°C? Ka for HCN = 4.9 × 10-10 at 25°C.
Calculate the employer payroll taxe : Calculate the amounts to be reported on each employes Wage and Tax Statement and Calculate the employer payroll taxe
With some enzymes induced fit is necessary : With some enzymes, induced fit is necessary in order to:
Explain the ph before any naoh was added : A 50.0-mL sample of 0.300M propionic acid, HC3H5O2 (a weak acid), was titrated with 0.150 M NaOH. Ka for propionic acid is 1.3 x 10-5.
Calculate what is the minimum coefficient of friction : A crate rests on the flatbed of a truck that is initially traveling at 15 m/s on a level road. what is the minimum coefficient of friction between the crate and the truck that is required to keep the crate from sliding
Calculate the speed of the ball at that point : A 480 g ball swings in a vertical circle at the end of a 1.9 m-long string. What is the speed of the ball at that point
Explain the isotope at the beginning of the week : A particular radioactive isotope has a half-life of 20.8 days. If you have 32.5 mg of the isotope at the beginning of the week, how many milligrams would you have 40 days later?
Determine the quick ratio for both companies : Determine the quick ratio for both companies and Interpret the quick ratio difference between the two companies.

Reviews

Write a Review

Chemistry Questions & Answers

  There are side reactions these plus losses of product

adipic acid c6h10o4 is a raw material for the making of nylon and it can be prepared in the laboratory by the following

  Determine the mass of water in the flask

Determine the mass of H 2 O in the flask and it's the true volume at 20° C?(at 20°C the Density g/mL=0.9982071,20°C the volume of 1g of water (mL) corrected for buoyancy is 1.0029 )

  How to evaluate the quantity of energy produced per mole

Calculate the quantity of energy produced per mole of -235 (atomic mass = 235.043922 ) for the neutron-induced fission of -235 to produce -137 (atomic mass = 136.9253 ) and -97 (atomic mass = 96.910950 ).

  Calculate the ph during the titration

Calculate the pH during the titration of 20.00 mL of 0.1000 M hydrazine N2H4(aq), with 0.1000 M HCl after 20.25 mL of the acid have been added.   Kb of hydrazine = 1.7 x 10-6

  Explain a feed stream containing a mixture

A feed stream containing a mixture of 40% n-butane, 30% n-pentane and 30% n-hexane flows into a flash unit. The flash temperature is 290 K and the flash pressure is 0.6 bar

  Define the lower state was the ground state

the lower state was the ground state and the upper state was the first excited state for the flame tests of each metal atom you observed,

  Use le chatelier principle

Use Le Chatelier's principle to explain the color change which you observed after the addition of distilled water to the equilibrium mixture above.

  How many grams of are cah2 needed

How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 16.0 L of H2 gas if the pressure of H2 is 729 torr at 21.0°C?

  Describe the standard free energy change

The standard free energy change is -33.41 kJ/mol for the formation (delta G formation) of AgNO3(s) from elements at 25 degrees celsius. What is the equilibrium constant for the reaction? (R = 8.314 J/K mol)

  Explain the ph change of solution of citric acid

What is the pH change of a 0.200M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.175M with no change in volume?

  A volume of 800 ml of rm h2o is initially at room

a volume of 80.0 ml of rm h2o is initially at room temperature 22.0rmcircc. a chilled steel rod at 2.00rmcircc is

  Explain the diluted solution contains

To what final volume should you dilute 60.0mL of a 5.40M KI solution so that 40.0mL of the diluted solution contains 3.75g of KI

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd