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A sample of a pure compound containing k , cl, and o had a mass of 0.855 g. The sample as first heated to drive of all the oxygen , yielding a resideue of 0.522g. this residue was terated with AgNo3 to give 1.003 g of solid AgCl. Determine the empirical formula of the compund
Explain Oxidation of Elements and Their Reactions, Which element is oxidized and which element is reduced in each of the following reactions?
If 110 {rm mg} of fluorine-18 is shipped at 8:00 A.M., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 P.M.
a solution contining agno3 is mixed with a solution of nacl to form a solution that is 0.10 m in agno3 and 0.075 m
What does the structure of isopinocampheol (the product of a hydroboration-oxidation reaction of (1R)-(+)-alpha-Pinene) indicate about the mechanism of the reaction in terms of regioselectivity and stereoselectivity
Consider the titration of 80.0ml of 0.100M Ba(OH02 by 0.400 M HCl. Calculate pH of the resulting solution after 20.0mL of HCl is added.
A gas sample has an original volume of 700 ml when collected at 750 mm and 25°C. What will be the volume of the gas sample if the pressure increases to 810 mm and the temperature increases to 30°C?
how many grams of potassium bromide are required to prepare 350 mL of a .200 M solution.
A piece of silver with a mass of 418 g has a heat capacity of 99.1 J/Celcius. What is the specific heat of silver
A gas expands and does P-V work on the surroundings equal to 343 J. At the same time, it absorbs 159 J of heat from the surroundings. Calculate the change in energy of the gas.
Assuming 100% yield, calculate the final concentrations of reactants and products. Calculate the pH of the final solution
The atomic weight of a newly discovered el-ement is 10.600 amu. It has two naturally occuring isotopes. One has a mass of 10.000 gms and a natural abundance of 70.000%. What is the isotopic mass of the other isotope?
A 25.00 mL sample of a sodium hypoclorite liquid bleach is placed in a 250 mL volumetric flask and diluted to the mark. A 25.00 mL aliquot of this solution is placed in a 250 mL Erlenmeyer flask.
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