Explain how many grams of nh4cl salt must you add

Assignment Help Chemistry
Reference no: EM13502405

You want to prepare 250 ml of buffered solution composed of NH3 and NH4Cl with a pH of 10.1. If you start with 250 ml of 0.15 M NH3 solution, how many grams of NH4Cl salt must you add? Round answer to two decimals. (Assume the salt does not change the volume of solution.) kb for NH3 = 1.8 x10-5

Reference no: EM13502405

Questions Cloud

Prepare the consolidation journal entries : Grimm LTD sold an item of depreciable equipment to its subsidiary ,Bronte LTD ,for $100000 on 1/7/20x4.The equipment had originally been acquired by Grimm on 1/7/20x2 at a cost of $150000.
Discusses the common law defense of voluntary : John Boatright discusses the common law defense of voluntary assumption of risk
Determine the cost of the inventory : Determine the cost of the inventory on December 31, 2010, by the last-in, first out method, following the procedures indicated in (1).
What is the impact over the next two years on net interest : Assuming the bank does not change the composition of its balance sheet, calculate the net interest income for the bank before and after the interest rate changes. What is the resulting change in net interest income?
Explain how many grams of nh4cl salt must you add : You want to prepare 250 ml of buffered solution composed of NH3 and NH4Cl with a pH of 10.1. If you start with 250 ml of 0.15 M NH3 solution, how many grams of NH4Cl salt must you add. Round answer to two decimals.
Write a paper extensively discussing the benefits : Write a paper extensively discussing the benefits of using the virtual worlds to facilitate learning. What are the limitations? Disadvantages?
Explain what is the ph of the solution : You have 200ml of a solution which is 0.2M NH3 and contains 0.23grams of NH4Cl. a. What type solution is it. b. What is the pH of the solution
What is the temperature of this sample : It is possible to make a thermometer by sealing gas in a rigid container and measuring the absolute pressure. What is the temperature of this sample
How long would each edge of the cube be : On average, each person in the industrialized world is responsible for the emission of 10,000 kg of carbon dioxide () every year. This includes that you generate directly, how long would each edge of the cube be

Reviews

Write a Review

Chemistry Questions & Answers

  Define the reaction that must proceed to achieve equilibrium

At 100oC, the equilibrium constant (Kc) for the reaction COCl2(g) = CO(g) + Cl2(g) has a value of 2.19 x 10-10. Is the following mixture at equilibrium?

  A piece of matal with a specific heat capacity of 0225 jg

a piece of matal with a specific heat capacity of 0.225 jg degrees c changes in temperature from 21.0 degrees c tp 51.0

  Explain a critical reaction in the production of energy

a critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP

  Calculate kp and kc for the dissociation at this temperature

If nitrosyl bromide, NOBr, is 34 percent dissociated at 25°C and the total pressure is 0.25 atm, calculate Kp and Kc for the dissociation at this temperature.

  Define level in the end connected to the gas manifold

An open end manometer constructed from a U-shaped tube was operated using an oil which has a density of 1.088 g ml-1. In a particular measurement, the level in the end connected to the gas manifold, on which the experiment was being conducted,

  Compute the time it takes to deposit

Calculate the time it takes to deposit 0.100g of copper from a copper sulphate solution if a 3.50 amp current

  Define cyclohexane-toluene mixture

cyclohexane-toluene mixture, and then obtain IR spectra for each fraction. How would the IR spectrum of the first 1 mL fraction look different from that of the last 1 mL fraction?

  Compute the ph after the addition of a total

Calculate the pH after the addition of a total 20.0, 30.0, and 70.0 ml of NaOH has been added.

  What is the molar concentration of nitrous acid

what is the molar concentration of nitrous acid in a solution with a volume of 276 mL containing 17.1 grams of hydrogen nitrite?

  Calculate the final temperature of the mixture

A 28.0-g sample of water at 250. K is mixed with 47.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.

  Determine the value of the solubility-product constant

Determine the value of the solubility-product constant if solubility of T3U2 =4.24× 10-20 mol/L.?

  State what is the millimoles and concentration

Solution A contains 29.541 millimoles of 0.09847 M of acetic acid (HOAc) and 34.51 millimoles of 1.0 M of sodium acetate (NaOAc). Solution B is made by 10 mL of Solution A + 90 mL of boiled water.

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