State the first equivalence point for the titration

Assignment Help Chemistry
Reference no: EM13181226

1. The first equivalence point for the titration a weak acid is reached when a volume of 26.80mL of NaOH has been added. If the pH of the solution is 4.45 after 13.40 mL of the NaOH has been added, what is the Ka for the acid

2. The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?

Reference no: EM13181226

Questions Cloud

What is the discount rate in the banking system : How much excess reserve does the deposit generate for the bank?(b).  What is the maximum amount of new money that can be created in the banking system as a result of this deposit? Show all work. (c.)  What is the Discount Rate in the banking system?
How many medical test kits were sold last year : This year, 100 million test kits are expected to be sold. This represents a 122% increase form the number of kits sold last year. How many medical test kits were sold last year?
Find the conditional density : Let X and Y have joint density fXY (x; y) = c(x + y)^2 for 0≤ x ≤1; 0≤y≤1.
State aspirin is an organic acid with formula : Aspirin is an organic acid with formula C8H7COOH and molar mass 180.16171 g/mol. A 1.30 g tablet is titrated with 0.1500 M HCl and the endpoint is reached
State the first equivalence point for the titration : The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?
State the maximum temperature of the mixture : Explain why the extrapolated temperature is used to determine the maximum temperature of the mixture rather than the highest record temperature in the experiment.
Prepare a method to synthesize : Propose a method to synthesize (2R,3R) 2,3-epoxyhexan-1-ol using ethanol,methanol,co and CN- as carbon sources
Write a reaction mechanism for the acid : Using curved arrows to show electron movement and bond formation write a reaction mechanism for the acid catalyzed reaction
Write the thermochemical equation for the combustion : Write the thermochemical equation for the combustion of acetylene, C2H2 (g), in oxygen, for which the standard enthalpy of reaction is -1300 kJ per mole of acetylene.

Reviews

Write a Review

Chemistry Questions & Answers

  State what are the experimental conditions of t

What are the experimental conditions of T and P that willbe used to calculated the mass of air in the flask? b) Calculate the density of air at the experimental conditiosnidentified in part a. c) Calculate the mass of air in the flask before the liqu..

  How many moles of ammonia gas would be produced

If 10500 L H2 gas is reacted with an excess of N2 gas at 200 atm. and 500 C, how many moles of ammonia gas would be produced, assuming a 15% yield?

  Explain what is the molarity of the solution

If 6.73 g of Na2CO3 is dissolved in enough water to make 250 mL of solution, what is the molarity of the solution? What is the molarity of the Na+ ions

  Describe the hybrid orbitals used by the central atom

Describe the hybrid orbitals used by the central atom in O 3 .and also determines what is the number of sigma and pi bonds present in O 3 .

  Determine which salt has the highest molar solubility

Three sparingly soluble salts, MA, MA2, and MA3, all have Ksp = 1.5 x 10-7. Determine which of these three has the highest molar solubility in water? a) MA, b) MA2, c) MA3 ,d) They are all equally insoluble.

  What is the specific heat of aluminum

What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased by 8.1 oC when 207 J of heat is added.

  Compute the total volume that the buffered can absorb

The pH after adding 10. mL of .10 M NaOH is 4.31. Calculate the total volume of .10 M NaOH that the buffered sample can absorb

  What is the mass fraction of o2

A 5.00 L flask at 279 K contains a mixture of He and O2 with a total pressure of 1.00 atm. If the mole fraction of O2 is 0.40, what is the mass fraction of O2?

  Compute the mass of trisodium phosphate

Compute the mass of Trisodium phosphate required to remove all Ca^2+ ions from 2.50 Litres of the H 2 O sample?

  Calculate the equilibrium partial pressures of co2

Consider the heterogeneous equilibrium process shown below. C(s) + CO2(g) 2 CO(g) At 700.°C, the total pressure of the system is found to be 3.20 atm. If the equilibrium constant KP is 1.52,

  Write the net ionic equations for or the reactions occurring

Write the net ionic equations for & the reactions occurring for each cation in the group.

  State slip systems that can be active in olivine

There are several slip systems that can be active in olivine (orthorhombic). Dislocation glide is easiest at high temperature in the (010)[001] slip system

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