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Suggest reasons why recrystallization from water would probably not be suitable procedure for purifying NaCl CaCO C2H6O
Determining Copper in Brass, 1st I titrated Na2S2O3 and determined the molarity to be 0.164. I am having trouble with the calculations for the dissolution of brass.
The number of resonance structures (not involving d orbitals) required to correctly describe the bonding in the linear ion Nâˆ'3 is:
Calculate the theoretical pH of 0.250 M weak acid, HA. Calculate the theoretical pH of a 2.5 x 10-3 M weak acid, HA, that has a Ka value of 1.2 x 10-4. What happens to % ionization of the weak acid as you dilute the acid?
Calculate the pH at the following points a. Before Titration b. After the addition of 5.00mL of NaOH c. After the addition of 25.00mL of NaOH d. After the addition of 50.00mL of NaOH e. After the addition of 5.00mL of NaOH
Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 degrees C are converted to 50 grams of ice at -125 degrees
Write a dissociation equation of AlCl3 showing its sepatation into aqueous ions.
Quantum number representations - What are the possible values of the four quantum numbers for one electron in a 5d orbital?
methane and hydrogen sulfide form when 36g H2 reacts with carbon disufide. Calculate the percent yield if the actual yield of CH4 is 69.8
Whats the volume of 1.05 mol of benzene at 20.7 C? The density of benzene of 0.879 g/mL.
what is the purpose of anhydrous CaCl2? why is it important yhat none of the solid CaCl2 be included in the final distillation of 1- bromobutne.
What will be the average atomic mass of element A if percentage abundance of these two isotopes are 48.17 % and 51.83 % respectively. ?
Write the half-reactions for the silver-silver chloride and calomel reference electrodes.
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