Calculate the molarity of a sodium hydroxide solution

Assignment Help Chemistry
Reference no: EM13705137

Problem- Calculate the molarity of a sodium hydroxide solution if a .5356g sample of KHP was dissolved in 50 ml of water and titrated with 20.78 ml sodium hydroxide to a phenolphthalein endpoint.

I don't know how to solve this problem! Thanks for your help

Reference no: EM13705137

Questions Cloud

Write a test program that obtains from the user : Write a test program that obtains from the user the items to store in two sets A and B, and displays the union A u B, the inter- section A n B, and the dierence A \ B. The data type of the items is your choice. ( you can only store objects.)
Describe a polynomial-time algorithm : Describe a polynomial-time algorithm that solves the following decision problem:
Prior to the adoption of sql : What factors influenced your decision - Explain a situation where you would consider using the other option.
What accounts for the larger disorder in the kcl crystals : Problem- Crystalline KCl has S*=83J/mol K and crystalline CaO has S*= 55 J.mol k. What accounts for the larger disorder in the KCl crystals. a) Repulsive forces are larger for CaO
Calculate the molarity of a sodium hydroxide solution : Problem- Calculate the molarity of a sodium hydroxide solution if a .5356g sample of KHP was dissolved in 50 ml of water and titrated with 20.78 ml sodium hydroxide to a phenolphthalein endpoint.
What is the ph at the equivalence point of the titration : Problem- You are titrating 0.1 M acetic acid with 0.1 M potassium hydroxide. What is the pH at the equivalence point of the titration. Kb (CH3COO-) = 5.6 x 10^-10
Create wheel 360 degree : You have to create wheel, 360 degree. That is numbered 0-36. it is supposed to be spun, and randomly lands on one of the numbers.
What is the vapor pressure of the mixture : Problem- Consider a solution consisting of 15.1 g anthracene (C 14 H 10 , non-volatile) in 0.100 L benzene (C 6 H 6 ). Given that the density of benzene at room temperature is 0.8765 g / mL and that the vapor pressure of pure benzene is 95.3 mmHg,..
Calculate the heat absorbed and the work done on a system : Problem- Calculate the heat absorbed and the work done on a system of 5.00 mol of an ideal gas as it expands irreversibly at constant temperature (298kk) from a pressure of 1.0 atm to 1.00 atm. The external pressure is held constant at 1.00 atm.

Reviews

Write a Review

Chemistry Questions & Answers

  Define what is the equilibrium constant for the reaction

Dinitrogen tetroxide (N2O4) dissociates via the reaction: N2O4 (g) ? 2NO2 (g). 3.00 × 10-2 mol N2O4 (g) is introduced into a 1.000L flask. At equilibrium, 2.36 × 10-2 mol N2O4 (g) remains. What is the equilibrium constant for this reaction?

  Calculate the theoretical yield and percent yield

A reaction was performed in which 0.30 mL of 3,7-dimethyl-3-octanol was reacted with concentrated hydrochloric acid to make 0.25 g of 3-chloro-3,7-dimethyloctane. 1) Calculate the theoretical yield and percent yield for this reaction.

  Compute the grams of o2 gas

Calculate the grams of O2 gas that will have the same volume as 300.0 g of N2 gas at 10 degrees C and 5 atm

  Explain the wave''s velocity in meters/minute

An ocean wave has a wavelength of 4.000 meters and a frequency of 7.00 waves per minute. What is this wave's velocity in meters/minute

  Explain what mass of sodium formate must be added

What mass of sodium formate must be added to 400.0 mL of 1.00 M formic acid to produce a buffer solution that has a pH of 3.50

  Find the thickness of the oil film

The volume of a teaspoon is about 5cm, and Ben found this would cover half acre pond (2000 m2). Find the thickness of the oil film.

  Explain the equilibrium expression for the conversion

Write down the equilibrium expression for the conversion for sulpher dioxide into sulpher trioxide and rearrange this expression to give it in the form of an equation for straight line.

  What is enthalpy for the reaction of o2 and h2

what pressure of O2 in a 500ml container at 30C is necessary for a reaction with 1.00g of H2 to produce H2O?

  What is ksp for alpo4 at this temperature

At saturation, 3.0 x 10-9 moles of AlPO4 have dissolved in 2 L of water. What is Ksp for AlPO4 at this temperature?

  State the anode and cathode half - reactions

The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.

  Explain molecule of palmitic acid

How many times through the cascade does it take to form one molecule of palmitic acid (hexadecanoic acid, C16H32O2)

  Explain what is the minimum concentration of ammonia

what is the minimum concentration of ammonia that should dissolve AgBr to produce a 0.01 M Ag(NH3)2+ solution?

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