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Determine the molality of a solution prepared by dissolving 0.500 moles of caF in 11.5 moles H2o
Glacial acetic acid is mixed with liquid methanol (nonaqueous). What type of organic reaction can this be characterized as?
The mass spectrum of an organic compound shows the relative abundance of M to be 34.29% and M+1 to be 8.901%. Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound. Natural abundance: 12C is 98..
Mercaptoacetic acid and NH3 were introduced, production of the complex with the former resulted in the release of an equivalent amount of EDTA, which required a 22.85-mL titration with 0.07238 M Mg2+. Calculate the percent Cu and Ni in the alloy.
This is a visualization question: If the number of mol of He in the mixture visualized is 1.53, calculate the total number of mol present in the mixture.
What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.
When the temperature is increased from 164.5°C to 179.0°C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction?
What combination of a molecular base (that is a neutral compound, not an ion!) and a salt of the conjugate acid of that molecular base should you select to prepare a buffer solution that would maintain a pH of 9.00? For full credit, explain
the vapor pressure of pure acetone propanone is 266 torr. when a non-volatile solute is added the vapor pressure of
consider the decomposition of ammonium chloride at a certain temperature.nh4cls nh3g hclgcalculate the equilibrium
in the titration of 50.0 ml of 1.0 m methylamine ch3nh2 kb 4.4 10-4 with 0.50 m hcl calculate the ph under the
How much pressure is caused by 0.0201 mol of N2 and H2O in the flask under the specified conditions?
An interstitial alloy prepared from two metals. metal A with the larger atomic radius has a hexagonal closed-packed structure. What if the formula(for example:A2B,AB,AB2)of the alloy if atoms of metal B occupy the following?
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