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Calculate the pH of a buffer solution prepared by dissolving 4.3 g of NaHCO3 and 5.5 g of Na2CO3 in 0.20 L of water.
A student has prepared a 0.309 M solution of Barium hydroxide and a 0.443M solution of hydrochloric acid for you. Determine the volume of the hydrochloric acid solution will be needed to exactly neutralize 10.0 mL of the Barium chloride solution.
Formation of molecules in a reaction, Using the reaction of hydrogen chloride (hydrochloric acid) and calcium hydroxide to produce water and calcium chloride answer the following
what is the maximum mass of maltitol (C12H24O11) you can add to 2.00 kg of pure water and still have the solution freeze? Assume that maltitol is a molecular solid and does not ionize when it dissolves in water.
What would be the pressure of the gas, in kPa, if it were transferred to a container at 24 degrees Celcius whose volume is 55.0 L.
how much energy is required to turn 500 g of ice at -15.0 celsius to liquid water at 55.0 celsius? specific heat (ice) = 2.10 J/g * C. Specific heat (water)= 4.18 J/g*C
Calculate the molar concentration of illinic acid and of its conjugate base illinate ion (in moles/L; M) in a 3 M illinate buffer at pH 7.5. The pKa of illinic acid is 6.7.
The sulfuric acid in a car battery has a density of 1.225 g/cm3 and is 3.75 M. What is the molality, mole fraction, and percentage of sulfuric acid by mass in this solution?
What is the value of q when 0.0209 g of water vaporizes at 373 K? The enthalpy of condensation of water at 373 K is -40.7 kJ/mol.
How much heat is evolved in converting 1.00 mol of steam at 130.0 C to ice at -50.0 C? The heat capacity of steam is 2.01 J/g*C and of ice is 2.09 J/g*C.
The reaction of calcium hydride with water can be used to prepare small quantities of hydrogen gas, as is done to fill weather observation balloons.
What was the volume occupied by the sample under the new conditions - Determine what volume of 3.00M HCl in liters is required to react
the pH of a saturated solution of a metal hydroxide MOH is 9.68. calculate the Ksp for the compound
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