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Problem- 1) How many grams of THAM are needed to react with 20.00 mL of HCl 0.2710 moles/L?
2) A 0.1578 grams sample of cobalt-ammonia-chloride was boiled and after filtration in a Gooch crucible, dried net weight of precipitate (AgCl) was found to be 0.4010 grams. Determine the grams of Cl in the AgCl precipitate. Also determine the percentage of Cl in the 0.1578g of CoNH3-Cl sample.
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butyric acid is responsible for the foul smell of rancid butter. the pka of butyric acicd is 4.84.a calculate the pkb
Question- A fossil is found to have a 14C level of 87.0% compared to living organisms. How old is the fossil
69.6 grams of ice initially at -5°C is added to 301 grams of liquid water initially at 39.1°C in a thermally insulated container. What is the temperature of the water once the contents of the container reach thermal equilibrium
if you are performing both an atmospheric distillation and a vacuum distillation in the same experiment: a. The atmospheric distillation is done first.
10.00ml of 1.98middot 10-3 moll nascn solutionwere mixed with 10.00ml of 8.07middot 10-4 moll ironiii nitrate solution.
Calculate the molarity of ammonium bromide solution. Use the molarity of the solution to find the mass of ammonium bromide in 1.00 L of this solution.
Explain what is the molarity of a solution of acetic acid H(C2H3O2), if 35.00ml is titrated to the end point with 68.20 ml of 0.750 M KOH
How much heat is absorbed by 100 mL of a dilute solution of NH4NO3 as it changes its temperature from 22.4 degrees C
Based on the data gathered in the Rutherford's scattering experiments, the concept of atomic structure was modified. Which of the following aspects of the structure of the atom were validated by these experiments
A 0.50g sample of vegetable oil is placed in a caloriemeter. When the sample is burned 18.9kj are burned off. What is the caloric value in kcal/g of the oil? I am not sure how to set this problem up. Please help
Calculate the equilibrium concentrations of CO2, H2, and H2O at 800 K if only CO and H2O are present intially at concentrations of .119M?
A certain bottled water lists a calcium concentration of 55 mg/L. What is its calcium concentration expressed in parts per million (ppm)
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