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Calculate the amount of solution (g or mL ) that contains each of the following amounts of solute: A) 8.00 g of NaClfrom a 12 % (m/m) NaCl solution. b)B 46 g of NaF from a 1.0 % (m/v) NaF solution c)4.50 g of KBr from an 20. % (m/m) KBr solution
In the lab where we prepare N,N-Diethyl-m-toluamide from m-toluic acid, define why was the rxn mixture extracted with 10% aqueous NaOH
Write the structures of the following compoundsa) 2,2-dibromo-3,3-dichloro-5,5-difluoro-6,6-diiodobicyclo{2.2.1}heptane
0.90 g of hydrogen chloride (HCl) is dissolved in water to make 2.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
use the half reaction method to balance each of the following in acidic solution except as indicated
A 530. g piece of copper tubing is heated to 89.5°C and placed in an insulated vessel containing 159 g of water at 22.8°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K
After performinc a TLC on an unknown material, using dichloromethane as a developing solvent, you visualize one spot having an Rf of 0.05. In order to obtain information that is more useful would you use hexane or ethyl
recovering and reusing organic solvents rather than discharging them into a waste stream is an important part of the
This deprotonated species which bears a negative charge on the carbon atom is stabilized by resonance. -Please explain how it stabilizes, and show the other contributing resonance form and name this ion.
Compute the half-life (in s) of a first-order reaction if the concentration of the reactant is 0.0541 M 27.6 s after the reaction starts as well as is 0.0106 M 40.4 s after the reaction starts.
Given your knowledge of complex ion formation, what do you expect to happen to the solubility of ZnS(s) in a solution containing excess NH3?
Compounds in a and b were named incorrectly. On a sheet of paper draw the molecule that fits the given description. From the structure you drew determine the correct IUPAC name. Write the correct IUPAC name in the blank.
The water as well as calorimeter is at 25 Celsius. The graphite is ignited as well as burned and the water temperature rises to 28.05 Celsius. The heat capacity for the calorimeter is 5.15KJ/C. Compute DeltaH per MOLE of the reactant for this reac..
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