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A 25.0 mL aliquot of an FeSO4 solution is titrated against standard 0.0100M K2Cr2O7 solution using diphenylmethane indicator. At the end point 23.oo mL of K2Cr2O7 solution have been consumed. Calculate the normality and the molarity of of the FeSO4 solution. (Hint: Cr2O^-2 is reduced to Cr^3+ while Fe^2+ is oxidized to Fe^3+).
what are the chemical shift,integration(#H),multiplicity,assignment and type of hydrogen in C8 H10 O and i have to identify the unknown. help please i have 4 signals
What is the pH of 1.0 x 10^-4 M phenol where ka = 1.3 x 10^-10? This is a weak acid under dilute conditions. You need to take into account water self-dissociation to find the hydronium concentration.
How many grams of aluminum oxide are produced when 50.3g aluminum react, When 0.510 mole aluminum is reacted in a closed container with 7.90g oxygen, how many grams of aluminum oxide can form?
Many household cleaning products contain oxalic acid, H2X2O4 , a diprotic acid with the following dissociation constants: , . Calculate the equilibrium concentration of C2O4^2- in a 0.20M solution of oxalic acid.
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of substance A is 6.34g and its initial temperature is 21.0?C.
camphor was reduced by an excess of sodium borohydride to make 1.3 g of isoborneol. Calculate the theoretical yield and percent yield for this reaction.
draw a dot and cross diagram to show the bonding in ch2f2. your diagram only needs to show the outer shell
an ice cube tray holds 455 g water. if the water initially has a temperature of 33degc how many kilojoules of heat must
Calculate the volumes of distilled water and 28ppt seawater which must be mixed to yield 1 liter of 18ppt seawater.
Calculate the reaction rate for each of the three trials. Determine the order of the reaction with respect to NO2.
A certain substance has a heat of vaporization of 37.43 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.00 times higher than
consider 2al 6hcl yields 2alcl3 3h2 the reaction of al with hcl to produce hydrogen gas. this reaction has a yield of
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