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1. For the titration of KHP with NaOH, what will the pH be at the equivalence point? (This will be your indication.)
2. If a sample of 0.062 g KHP requires 30.12 mL of NaOH to titrate it, what is the molarity of NaOH?
What is the activation energy for this reaction? a) 112 kJ/mol. b) 56 kJ/mol. c) 28 kJ/mol. d) 336 kJ/mol. e) 448 kJ/mol.
What is the concentration of [Br?] in a solution of 15 mL of 5 M HBr when 5 mL of water is added?
What is the boiling point change for a solution containing 0.841 moles of naphtalene (a nonvolatile, nonionizing compound) in 250.0 g of liquid benzene? (Kb = 2.53degrees Celsius/m for benzene).
What chemical tests might be used to distinguish between pentanal and 2- pentanone; between benzyl alcohol and diphenylmethanol?
Water molecules change their states between the liquid and gaseous states. A.only when water vapour is saturated B.at all times becauseevaporation and condensationoccur any time C
determine the volume of a cube 10,62 cm, give an example of four sets of measurements that illustrate an imprecise and inaccurate data
What is the value of Ksp for Ag2SO4 if 5.40 g is soluble in 1.00 L of water?
Which of the following pairs of atomic orbitals on adjacent nuclei can overlap to form a sigma bond? Consider the x-axis as the internuclear axis
a sealed balloon is filled with 1.70 l of helium at 23degc and 1.00 atm. the balloon rises to a point in the atmosphere
One metric ton (1000 kg) of coal is required to produce 7.3 MW-hr of electrical energy. In 1993, the Thomas Hill power plant (a small, coal-fired plant supplying rural electric cooperatives) produced 7100000.0 MW-hr.
A 35.00 mL solution of 0.2500 M HF is titrated with a standardized 0.1978 M solution of NaOH at 25 C. a) What is the pH of the HF solution before titrant is added. b) How many milliliters of titrant are required to reach the equivalent point
The solubility of solute in a solvent depends on various parameters, such as temperature, pressure, the nature of the solute, and the nature of the solvent. Considering these parameters, identify the statements that are correct for the solubility ..
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