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If a coordination compound absorbs in the visible region of the electromagnetic spectrum. Determined that a 0.0378M solution of this compound in a 3.41 cm cuvette has an absorbance maximum of 0.871 at 575 nm. Compute the molar absorbtivity of the compound at the wavelength.
the mass of ahydrogen atom is 1, and the mass of an oxygen atom is 16 daltons,how many molecules does one mole of sugar(C12H22O11) contain?
determined the limiting reactant and the theoretical yield (in g) of nitrogen that can be formed from 24.0 g N2O4 and 23.5 g N2H4 molar masses are as follows: n2o4 92.02 n2h4 32.05
Calculate pFe2+ at each of the following points in the titration of 25.00 mL of 0.02075 M Fe2+ by 0.03540 M EDTA at pH 7.00: a) 11.50 mL, b) Ve, c) 19.00 mL.
What volume (V) of 1.80 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.87? (The pKa of acetic acid is 4.76.)
Fructose contains only C,H, and O. 17.1g of carbon dioxide gas and 7.26 g of water vapor were produced when 12.1 g of solid fructose were combusted with excess of oxygen gas.
which concept would explain why the carbon to carbon bond lengths in benzene c6h6 are identical? ahybridization blondon
In the reaction of sodium benzoate with hydrochloic ac to form benzoic acid, if 1.29 g of benzoic acid were formed, how many mmol of sodium
Draw the structure resulting from a reaction of osmium tetroxide (OsO4) and hydrogen peroxide (H2O2) with the following alkene. If one stereogenic center is formed, draw a single specific enantiomer. If more than one stereogenic center is formed, ..
Some sample solution was spilled into the outside of the graduated cylinder while preparing the sample, and before determining the volume.
Calculate the pH after 4.00g of NaOH is added to 1.00L of the above buffered solution. Assume that there is no change in the volume of the solution upon addition of NaOH.
added 5 mL of 0.10 M H2SO4 instead of 5mL 0.10 M of HCl calculate the ph of the solution using henderson-hasselbalch
What volume of 0.955 M HCl, in milliliters, is required to titrate 2.152 g of Na2CO3 to the equivalence point?Na2CO3(aq) + 2HCl(aq) ---> H2O(l) + CO2(g) + 2NaCl(aq)
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