How to messure the ph of the solution

Assignment Help Chemistry
Reference no: EM13522003

0.020 mole of Ca(OH)2 is added into 400 mL of buffer solution with 0.40 M of NH3 and 0.60 M of NH4Cl. Calculate the pH of the solution. Kb=1.8*10^-5.

Reference no: EM13522003

Questions Cloud

How much heat is needed to convert ethanol in the liquid : How much heat is required to convert 46.0 grams of ethanol in the liquid state at 25 degrees C to the vapor state at its boiling point of 78 degrees C, given the specific heat of the liquid is 2.3 J/g-K and its delta Hv is 38.56 kJ/mol
Explain the probability for occupying the first-excited : calculate the probability of occupying the first excited vibrational level at 260K. Would you expect the probability for occupying the first-excited vibrational level for OD (v=2721cm^-1) to be greater or less than for OH
How many photons per second does the laser emit : a 1 mW laser produces photons of wavelength 633 nm. How many photons per second does the laser emit
Explain nh3 solution is titrated by hcl solution : NH3 solution is titrated by HCl solution, what is the pH at the 3/4 point of the titration? Kb(NH3)=1.8*10^-5
How to messure the ph of the solution : 0.020 mole of Ca(OH)2 is added into 400 mL of buffer solution with 0.40 M of NH3 and 0.60 M of NH4Cl. Calculate the pH of the solution. Kb=1.8*10^-5.
Define how to determine if the cis or trans isomer : Can someone explain how to determine if the cis or trans isomer is optically active for [Cr(NH3)2(ox)2]-And please show the isomers drawn so i can see if i have drawn them correct.
Find the total change in the mass of the nuclear fuel : The power capacity of all nuclear power plants in the United States is 1.01 × 105 MW. In one hour, what is the total change in the mass of the nuclear fuel
Explain the van der waals constants for methane : 13.0 moles of gas are in a 4.00 tank at 24.9. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane
Find the angular position of the first bright fringe : In a double-slit experiment, slits separated by 1.290e-4 m are illuminated by a coherent 571 nm light source. What is the angular position of the first bright fringe

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the molarity of a solution formed by dissolving

determine the molarity of a solution formed by dissolving 15.79 grams of cacl2 calcium chloride in 200.grams of h2o

  What is the molarity of a saturated solution of agoh

what is the molarity of a saturated solution of AgOH with a Ksp = 2.0 x 10^ -8

  What is the new water level in the cylinder

A graduated cylinder contains 148 mL of water. A 11.0 g piece of iron (density = 7.86 {g/cm^3}) and a 19.0 g piece of lead are added. What is the new water level in the cylinder? Density of the lead is 11.3g/ml

  Explain how many moles must be added on volume change

Starting with 1 liter of 2.0 M CH3COOH (acetic acid) we wish to make a buffer solution of pH=4.00. Consider the following to make the buffer: One way would be to add sodium acetate. How many moles must be added (assume no volume change)

  Explain a nonmetal oxide dissolves in water to give an acid

A nonmetal oxide dissolves in water to give an acid. Show this for gaseous carbon dioxide by writing a balanced chemical equation. (b) A metal oxide dissolves in water to give a base. Show this for solid potassium oxide by writing a balanced chemi..

  Find the boiling point of water

celsius absorbs 281kJ of heat from a mountain climber's stove at an elevation where the boiling point of water is 89 degrees celsius, how many kJ are required to boil the water?

  When a metal at a higher temperature is transferred to

when a metal at a higher temperature is transferred to water at a lower temperature heat is inevitably lost to the

  What volume of 0240 m cacl2 must be added to 335 ml of 0189

what volume of 0.240 m cacl2 must be added to 335 ml of 0.189 m kcl to produce a solution with a concentration of 0.245

  Explain gluconeogenesis and the citric acid cycle

Which one of the following substrates is found in both gluconeogenesis and the citric acid cycle? Answer A. isocitrate B. pyruvate C. phosphoenolpyruvate D. oxaloacetate

  Explain which component will come off the chromatotron first

Examining the two components in your mixture below, which component would you expect to come off the column first? Which component will come off the chromatotron first

  What does the volume correction constant

What does the volume correction constant (b) in the van der Waals equation represent? Why is b for helium small (b = 0.0238 L /?mol) compared to b for decane (C10H22, b = 0.3043).

  Define the uranium is incorporated in the rock

Geologist can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life

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