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What ions are present in a solution of HCl? Theoretically, which of these ions will affect the equilibrium of Co Cl2, and what will its effect be?
Why do compounds change color when separation by TLC was repeated and dipped in an acid soultion?
Calculate the molarity of your unknown, assuming it is monoprotic acid or monobasic base. Show all calculations for one titration with good precision including units and correct number of significant figures.
The rate constant of a first-order reaction 7.60 *10^-4 s^-1 at 350 degree celcius. If the activation energy is 134 KJ/mol, what is the temperature at which its rate constant is 9.70 *10^-4 s^-1
Determine if the sample has non-volatile impurities (dissolved in it) b. If found to contain such impurities, determine a suitable method for its purification
If the 12.5ml of NaOH solution is required to react completely with 0.300g of KHP (Potassium Hydrogen Phthalate, 204.2g/mol). What is the molarity of NaOH
What is the concentration of toluene in air produced by vaporizing 1 ml of liquid toluene into clean air to produce a total volume of 100 liters
A sample of material contains contains 20 mg of Iodine ^131. Calculate: A) The number of I ^131 atoms initially present. B) The activity in becquerels and curies.
Identify the carbon atom(s) in the structure shown that has (have) each of the following hybridizations.
Write the structure of the conjugate acid of this base while consider the base monosodium phosphate, Na (HO)2P( O)O also explain why an aqueous solution of monosodium phosphate would be ineffective for extracting benzoic acid? pKa of this conjugat..
if a sample of 3.16g at a pressure of 0.750 atm and temperature of 45 degree celsius then calculate what is the molar
The mass of a cube of iron is 363 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
An equilibrium mixture of propanoic acid (propionic acid), CH3CH2COOH, and its conjugate base has a pH of 4.87. Draw the form that predominates after H3O is removed from the equilibrium mixture
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