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A 25.00mL sample of 0.1966 M V2+ solution requires 48.97 mL of .3000 M Ce4+ for titration. The Ce4+ is converted to CE3+ in the titration reaction. What is the oxidation number for vanadium ion after the titratoin is complete?
One of the most common causes of inaccurate melting points is too rapid heating of the melting point apparatus near Tmelt. Under these circumstances, how will the observed melting point compare to the true melting point
What is the molarity of sodium acetate. What is the pH of the solution. Please show the steps. (note pK = 4.76) Use log10 for all calculations.
A student added 2.33g Phenyl Propane, 2.73g Sodium bromide, and 5ml of Sulfuric acid (along with boiling chips). The solution was refluxed for 45 min and distilled. What happened during this reaction
If i want to make 400.00 mL of a 0.325 M KNO3 solution, and I have a 0.840 M stock solution on hand, how much of the stock solution will I need to dilute
consider the base monosodium phosphate and write the structure of the conjugate acid of this base and explain why an
Briefly explain why it is important to allow a hot sample to cool to room temperature before you determine its mass.
the stretomycin has an osmotic pressure of 8.72mmHg at 23.6 degrees C, what is the molecular weight of the antibiotic?
Complete the following neutralization reaction, and identify the strong acid, strong base, weak acid and/or weak base. a. CH3COOH + NH4OH
a line in the emission spectrum of an atom occurs at a wavelength of 560 nm. what is the energy difference between the
What is the boiling point of water at an altitude where the ambient air pressure is 0.47 bar? The enthalpy of vaporization of water near its boiling point is 40.7 kJ/mol.
Cobalt-60, which undergoes beta decay, has a half life of 5.26 years.
sample of this compound is combusted in excess oxygen and the products are 2.492 g of CO2 and 0.6495 g of H20. Determine the empirical formula of the active ingredient.
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