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Calculate the pH of a solution during titration, when 19.50 mL of 0.30 M NaOH is added to 20.00 mL of 0.31 M HC2H3O2.
what must a solute's distribution be if 99% of the solute in a 50.0ml sample is to be extracted with (a) a single 50 ml portion of an organic solvent. (b) two 25 ml portions of the organic solvent
A 35.2ml, 1.66M KMnO4 solution is mixed with 16.7ml of .892M KMnO4 solution. Calculate the concentration of the final solution
if 24g mg is used and the percentage yield is 95 how many grams of magnesium hydroxide should be
Problem- The density of a 19.0% by mass ethylene glycol (C2H6O2) solution in water is 1.03g/mL . Find the molarity of the solution.
Question- Calculate the specific heat of a metal is 46.0 g of the metal at 78.0 degrees C warms 32.0 g of water at 23.1 degrees C to 36.1 degrees C.
The procedure calls for the addition of 7-8 drops of aqueous NaOH. What is the purpose of the base here? Be specific and show the reaction that occurs
Problem- In a fisher esterification cimmanic acid, anhydrous ethyl alcohol, one drop of sulfuric acid, and a black boiling stone are put in a flask. Two distillation heads with steel wool are attached to the flask. The solution undergoes a one hou..
Calculate the heat capacity of a calorimeter if the combustion of 5.000 g of benzoic acid led to a temperature increase of 24.153 degrees Celsius. The heat of combustion of benzoic acid is 26.38 kJ/g.
What is the de Broglie wavelength (in meters) of a baseball weighing 145 {g} and traveling at 159 km/h?
Explain Gibbs-Duhem Equation, In a certain binary solution, the activity of component 1 is given by
A solution is prepared by adding 0.100g of solid NaCl to 50.0mL of 0.100 M CaCl2. What is the molarity of the chloride ion in the final solution. Assume that the volume of the final solution is 50.0 mL
a block which weighs 50.0g is put in bromoform. bromoforms density 2.890 gcm3. assume that the block is 40.0
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