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What is the barium ion concentration in a saturated barium fluoride solution made by adding solid BaF2 until no more dissolved?
The mass density of the resulting solution was 1040 kg/m^3. Calculate themolarity and molarity of sucrose in the solution.
Show that the proton condition for a NH4Cl solution is a linear combination of the mass balance equations and the charge balance equation.
A student placed 18.0 grmsof glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100 gm. mark on the neck of the flask.
how does a water softener work chemically? What's better to drink tap water or bottle springwater and why?
What volume in liters of O2(g) is required to form 46 L of CO2(g)? Assume both gases are measured under the same conditions.
Zinc sulfide reacts with nitric acid to give zinc sulfate and nitric oxide. Calculate the mass of zinc required to react with 110 mL of 0.15 M nitric acid.
write the equilibrium constant expression, Kc, for each of the following reactions: a)2HBr(g) H2(g)+Br2(g). b)2BrNO(g) Br2(g) + 2NO(g). c)CH4(g)+H2O(g) CO(g)+3H2(g).
What is the balanced equation for the complete combustion of 2,2,4-trimethylpentane? Show how butane can be converted to 2,2,4-trimethylpentane using petroleum refining processes
It is found that 4.68e-06 g of Nd2(CO3)3 dissolves per 100 mL of aqueous solution at 25 oC. Calculate the solubility-product constant for Nd2(CO3)3.
What is the uncertainty in the energy of the excited state. What is the percentage uncertainty if the energy is measure from the ground state
Given the thermodynamic data in the table below, calculate the equilibrium constant (at 298 K) for the reaction: 2SO2 + 02 --------> 2SO3 dH -297 , 0, -395 dS 249, 205, 256 ( in order of problem )
969 ml of gas was collected at 64 degrees celcius and a pressure of 723 mm Hg. Find the volume at STP.
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