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Sep 22, 2015 · The most direct way is to react it with a base, like sodium hydroxide. Different types of analyzers are not available for rapid calculation of CO2 concentrations from different sources. These may be Infrared detectors, a variety of detectors on a gas chromatograph or mass spectrometers. However, before those can be used, a standard value of carbon dioxide still …

Jan 20, 2018 · you are given a 1.00 mL solution of .1 M Cl- and told to verify the chloride concentration by gravimetric analysis. 1mL of .5M Ag+ is added to this solution and the resultant AgCl quantitatively precipitated. Based on the Ksp expression, calculate the concentration of Cl- that remains in solution.

Jul 28, 2017 · The volume of 100% acetic acid is =150ml Let the volume of acetic acid 100% be =vml Then, the volume of water is =(500-v)ml We write the material balance equation with respect to the component acetic acid 100*v+(500-v)*0=500*30 Solving this equation, 100v=15000 =>, v=15000/100=150ml

Feb 10, 2017 · What we must do is express both ion concentrations in terms of x. First, since each formula unit of XY_2 contains one X^(2+) ion, the equilibrium concentration of X^(2+) will be x. Similarly, each unit of XY_2 contains two Y^- ions, menaing the equilibrium concentration of Y^- …

Jan 14, 2018 · Here's how you can do that. As you know, the molarity of a solution tells you the number of moles of solute present for every "1 L" of the solution. In order to make the calculations easier, pick a sample of this solution that has exactly "1 L" = 10^3 quad "mL". Use the density of the solution to find the mass of the sample. In your case, vinegar is said to have a density of …

Jan 17, 2016 · Naturally, if it took an hour to get to #2/5# the concentration of #A#, incorporating #B# into the reaction in such a way that #Delta[B] = 0# should increase the half-life by some amount because it is relative to both reactants at once.

Apr 25, 2016 · "97.2% Fe" The idea here is that you need to backtrack from the balanced chemical reaction that describes the oxidation of iron(II) cations to iron(III) cations in an acidified solution of potassium dichromate, "K"_2"Cr"_2"O"_7, to find how many moles of iron(II) cations are present in the "20 mL" sample. Once you know that, you can find the number of moles of …

Nov 13, 2016 · 6.3times10^-5mol/L pH=-log_10[H^+] Given that pH is 4.2 :. 4.2=-log_10[H+] 10^(-4.2)=[H^+] Taking antilog we get [H^+]=6.3times10^(-5) mol/L

Feb 28, 2016 · "pH" = 10.52 In order to find the pH of a solution, you must determine the concentration of hydronium ions, "H"_3"O"^(+), either directly or indirectly. When you're dealing with a Bronsted - Lowry acid, you will be solving for the concentration of hydronium ions directly. When you're dealing with a Bronsted - Lowry base, like you are here, you will be solving for …

0.37 M First calculate the molar mass of FeCl_3: 55.85+3*35.45=162.20 g//mol Then calculate how many moles ...