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When 90 ml of .10M Fe3+( Ferric or Iron (III) ) is combined to 10 ml of an SCN- (Thiocyanate also known as rhodanide)solution, the equilibrium molar concentration of FeNCS2+, as determined from a calibration curve, = 2.5 x 10^-4 mol/L. find out the eq molar concentration of SCN- in the system.( Kc=[FeNCS2+]/[Fe3+][SCN-] =271.5)
calculate how much CaCN2 is required to form 12.6 moles of ammonia? Given that the percent yield is 65.8%?
Calculate the quantity of NH3 is produced upon reaction of 4.0 moles of water and 65.0 g of CaCN2.
Explain why it takes longer time when anyone cook an egg in boiling water while camping at in elevation of 0.5km in the mountain than it does it home.
Determine the rate constant also explain how many mg will remain after thirty nine days - A radiation biologist studies the decomposition rate of a certain substance and obtains the given data as
Evaluate the electronic configuration for ionization energies of Magnesium, the orbital number in which the electrons are added in phosphorus ion, and the one will lose in the ionization of Alluminium.
Explain what it means that the atomic mass of naturally occurring Ag, is a mixture of its two isotopes forms, is 107.868 u.
Explain the structure for 4-ethyl-2,3-dimethyl-2-heptene?
Compute the molecular formula of CH 3 COOH the percent composition of acetic acid is 39.99% C and 6.73% H. The remainder of the compound is oxygen.(The molar mass of acetic acid is 60.06 g/mol.)
Designing and preparing aqueous buffer solution with the pH indicated.
Calculate the mass percent of carbon in the compound and calculate What is its final temperature
Calculate what quantity of potassium chlorate that has molecular weight of 122.5 needed to form 33.6 litres of oxygen? Express your answer in grams and assume that temperature and pressue will be in normal condition?
Determine the partial pressure and the total pressure using Dalton's law of partial pressures - Determine the total pressure of the mixture.
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