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Calculate the solubility product (Ksp) for barium fluoride if the concentration of the barium ion is 3.6 x 10-3 M and of the fluoride ion is 7.2 x 10-3 M.
A 15.6 mL sample of vinegar, containing acetic acid, HC2H3O2, was titrated using 0.6216 M NaOH solution. The titration required 19.80 mL of the base. Assuming the density of the vinegar to be 1.0 g/mL, what was the percent (by mass) of acetic acid..
What mass of NaOH is needed to precipitate the Cd2+ ions from 48.0 mL of 0.500 M Cd(NO3)2 solution?
A 10.00 ml sample of vinegar, density 1.01 g/ml was diluted to 100.00 ml volume. It waas found that 25.0 ml of the diluted vinegar required 24.15 ml of 0.0976 M NaOH to neutralize it
Putrescine is a compound that is partially responsible for the rotten smell of decaying flesh. It consists of 54.50% C, 13.73% H, and 31.77% N. What is the empirical formula of putrescine?
To what volume should you dilute 150 mL of an 8.00 M CuCl_2 solution so that 55.0 mL of the diluted solution contains 5.9 g CuCl_2?
describe the change in conductivity as the concentration of the NaCl solution was increased by the addition of NaCl drops
Determine what is the final volume the gas occupies If the pressure of a gas inside the cylinder changes from 840.0 mmHg to 360.0 mmHg,?
The difference in chemical potential between two regions of a system is +7.1 kJ/mol. By how much does the Gibbs free energy change when .10 mmol of a substance is transferred from one region to the other?
Autoclave that are used to sterilize surgical tools require a tempereature of 120 degree to kill bacteria. At what presure must they operate?
Sn2 reactions occur at different rates depending on the structure of the substrate in the reaction . Would an Sn2 reaction occur at a faster rate on a primary or a tertiary substrate ? Briefly. Explain your answer
the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas the rate law must be determined experimentally.
Halogenated compounds are particularly easy to identify by their mass spectra because chlorine and bromine occur naturally as mixtures of two abundant isotopes
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