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Presume that the reaction of Fe3+ and SCN- produces Fe(SCN)2 (+). 5.00mL of 2.0mM Fe3+ is mixed with 5.00mL of 2.0mM SCN-. Determined the equilibrium concentrations of Fe(SCN)2(+) to be 0.3mM.
1.) Explain what is the initial number of moles of each species present?
2.) Explain what is the equilibrium number of moles of each species present?
3.) Explain what the equilibrium concentration of each species present is
4.) Explain what is the value of the equilibrium constant?
Iron reacts with hydrochloric acid to produce iron (II) chloride and hydrogen gas. Fe(s) + 2 HCl(aq) -> FeCl2(aq) + H2(g) How many moles of HCl will react with 4.6 moles of Fe?
at the temperature of twenty five degree celsiusnbsp when 1.00 g of sulfur is burned at constant pressure in an
The student next added 3M KOH solution to the aqueous solution and Mg(OH)2 precipitated. After filtering the solution and drying the precipitate, the student recovered 1.10g of Mg(OH)2. Calculate the percent Mg(OH)2 in the mixture
Determine the molecular formula of the oxide of phosphorous when it is in its gaseous state.
a) What is the molarity of the acetic acid? b) If the density of the vinegar is 1.006 g/cm3, what is the mass percent of acetic acid in the vinegar.
a chemist started to carry out column chromatography on afriday afternoon reached the point at which the two
how many grams of methane ch4g must be combusted to heat 1.00 kg of water from 25.0degc to 90.0degc assuming h2ol as a
A solution containing 100g of unknown liquid and 900g water has a freezing point of -3.33C. Given Kf=1.86C/m for water, determine the molecular weight of the unknown liquid and express your answer in g/mol.
Explain which of the compounds have just bonding pairs of electrons as well as around the central atom. Explain which have a single nonbonding pair of electrons around the central atom
Calculate the of a solution prepared by mixing equal volumes of 0.21 methylamine (CH3NH2, Kb = 3.7 x 10^-4 ) and 0.61 M CH3NH3Cl.
How much titanium (IV) chloride must react with excess oxygen to prepare 175 grams of the pigment if the reaction is only 85% efficient (% yield)
dissolved in water to produce a 0.0172 M solution. The pH of the resulting solution is 2.34. Calculate the Ka for the acid.
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