Calculate ph of the solution of koh

Assignment Help Chemistry
Reference no: EM13172870

(1)- 15.0 mL of 0.400 M Hno3 Solution is titrated with 0.600 M KOH solution . Calculate pH of the solution when12.0 mL of KOH is added ?

(2)- 20.0 mL of 0.25 M of HC2H3O2 is titrated with 0.40 M Naoh, Calculate the pH of the solution after 15 mL NaOH is added. Ka(Hc2H3O2)=1.8x10^-5

Reference no: EM13172870

Questions Cloud

Physical landscape : Which of the following statements best describes New Zealand's physical landscape?
State the compounds were heated in ethanol : The compounds listed above were heated in ethanol and sodium hydroxide for approximately 60 minutes. Then extracted with dichloromethane to get the final product.
Define economic profit or loss, atc : b. What is the Economic profit or loss you are making? c. What output level is the minimum point for Average Total Costs (ATC)? d. What output level, Q, and price/trip, P, will economic profits be zero? Note
Comopute the number of oxygen molecules per liter of air : Calculate the number of oxygen molecules per liter of air if the temperature and pressure were 25°C and 1.00 atm, respectively.
Calculate ph of the solution of koh : 15.0 mL of 0.400 M Hno3 Solution is titrated with 0.600 M KOH solution . Calculate pH of the solution when12.0 mL of KOH is added ?
Briefly explain the geometry of an amide nitrogen : Briefly explain the geometry (hybridization) of an amide nitrogen, and resonance explanation for the conformational stability of the amide
Define the standard change in gibbs free energy : For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction C2H6(g)+H2(g) 2CH4 the standard change in Gibbs free energy is
Enter the thread for the opposing argument : Enter the thread for the opposing argument and read the arguments made by your classmates.  Form a position either for or against communication privacy laws and policies in the workplace after viewing both sides of the argument.
What is the concentration of sulfate ion in solution : Enough Al2(SO4)3 solid is added to water to prepare 100.0 mL of a 0.150 M solution of aluminum sulfate. What is the concentration of sulfate ion in solution?

Reviews

Write a Review

Chemistry Questions & Answers

  State tap water with a cl- ion concentration

tap water with a Cl- ion concentration of 1*10^-5 mol/L? Ksp=1.77*10^-10

  Calculate the rate constant for the reaction

Calculate the rate constant for the reaction when the reactant concentration in a first-order reaction is given 7.30×10-2M after 15.0s and it is also reported 4.40×10-3M after 65.0s . ?

  Explain a system comprised of chloroform

A system comprised of chloroform, 1,4-dioxane, and ethanol exists as a two-phase vapor/liquid system at 50 degrees C and 55 kPa.

  How many millimoles of non-limiting reactant will be unused

If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.704 grams of iron and 12.6 mL of 0.581M copper(II) sulfate react to form as much product as possible,

  Calculate concentration of the hydrochloric acid solution

A student used 40.5mL of 0.48M sodium carbonate solution and 45.6mL of the hydrochloric acid solution. The substance in the beaker at the end of the experiment had a mass of 0.93g. Calculate the concentration of the hydrochloric acid solution.

  What volume of ammonia is needed

What volume of ammonia at 25 °C and 1.5 atm pressure is needed to produce 500 g of urea?

  What is the total number of joules of heat energy absorbed

what is the total number of joules of heat energy absorbed when the temperature if 200.0g of water is raised from 10 degrees celcius to 40 degrees celcius.

  How many milliliters of 0.105 m hcl are needed

How many milliliters of 0.105 M HCl are needed to titrate 50.0 mL of a solution that contains 1.25 g of NaOH per liter?

  State the reaction temperature was changed

If a first-order reaction has a rate constant of 2.11x 10-1s-1 at a temperature of 22.3°C, what would the value of k be if the reaction temperature was changed to 65.7°C given

  What is the mass (in grams) of the sample

You have 493 mL of chlorine trifluoride gas at 699mmHg and 45 degrees Celsius. What is the mass (in grams) of the sample.

  Calculate percent h2so4 in the original acid solution

4.00g of H2SO4 solution was diluted with H2O and added with excess of cacl2, and The washed and dried precipitate of BaSO4 weighted 4.08g. Calculate percent H2SO4 in the original acid solution.

  How many moles of o2 will be produced

4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2  How many moles of O2 will be produced if 5.86 moles of CO2 react completely?

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