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A mixture of barium and silver is to be analyzed. The barium component reacts with acid to generate hydrogen gas, while the silver component does not react. Derive an equation for the percentage of barium in the original mixture as a function of the total number of moles of hydrogen gas generated and the total mass of the mixture.
Will a precipitate of magnesium flouride form when 200.0 milliliter of 1.9x10^-3mol/Litre MgClsubnumber2 solution is added to 300.0 milliliter of 1.4x10^-2mol/Litre NaFsolution?
What are the equilibrium concentrations of NO-2 , HNO2, H+, and OH- in an aqueous solution prepared by combining 50.0 mL of 0.0500 M NaNO2 and 50.0 mL of 0.0800 M HCl? Ka = 7.2 x 10-4 for HNO2.
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.
suppose you have a cube of copper metal that is 0.236cm on a side with a mass of 0.1206 g. if you know that each copper
use the rydberg equation to calculate the wavelength in angstroms of the photon absorbed when a hydrogen atom undergoes a transition from n = 1 to n = 3
Consider the following reaction: 2H2O + 2SO2 2H2 + 3O2 A reaction mixture initially contains 2.8M H2O and 2.6 M SO2.
If an aqueous solution (solvent = water) is 0.5 molal in NaClO, what is the mole fraction of NaClO that is present? Hint: assume you have 1.00 kg of total solvent in your sample.
when 10.0g of water at 100.0 oc isadded to 100.0g of water at 10.0ocin a calorimeter the final temperature is 18.0oc.
Suppose that one needs 17.65mL of 0.1146M NaOH to titrate 25.00 mL of 0.0237M hydrofluoric acid. Assume no volume change when the salt is dissolved. Calculate the pH of the buffer.
Determined that doubling the initial concentration of X while holding the concentration of Y constant, doubled the rate, but doubling the initial concentration of Y while holding the concentration of X constant quadrupled the rate. what is the ove..
the best means of personal protection from radiation for emergency responders is the implementation of three basic
Draw the Lewis structure of CH2N2 in its best resonance form. The sigma-bond network is given to you
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