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Problem- Suppose you have a solution of 30.0 mL of 0.450 M MgCl2. Calculate the number of moles of just chloride ion in this solution.
Illustrate structures to prove your interpretation.
1FeO3+2 Al= 1Al2O3+2Fe, Determine the percent yield of a reaction that produces 28.65g of Fe when 50.0g of Fe2O3 reacts with excess Al according to the following reaction. Be sure to balance the reaction.
ampere current have to be applied to plate out 8.00 grams of copper metal from te aqueous copper(II) sulfate solution?
a student wants to make a ph 4.0 buffer solution. she decides to use a buffer made from formic acid and sodium formate
Write the mechanistic equations for each step in the preparation ofp-bromoaniline from aniline showing how all intermediates areformed. Explain why does bromination of acetanilide stop at the monobromostage
Question- Arrange the following aqueous solutions in order of increasing vapor pressure at 25C: 0.35 m c3H4(OH)2; 0.50 m sugar; 0.20 m KBr; and 0.20 m Na2SO4.
Question- Derive and plot the concentration and flux profile of a steady state diffusion through a membrane with thickness L and partition coefficient k=1.4. The concentrations at both ends of the membrane are CL and CR respectively.
depending on temperature, RbCl can exist in either the rock-salt or cesium-chloride structure. What is the coordination number of the anion and cation in each of these structures?
you have a 10.40-g mixture of table sugar c12h22o11and table salt nacl. when this mixture is dissolved in 150. g of
heat is added to 3kg of wet steam a mixture of saturatedliquid and saturated steam contained in an isobaric
0.982 g sample of KHP (this is not potassium-hydrogen-phosphorus) is dissolved in water and titrated to the equivalence point with 26.45 mL of NaOH solution. What is the concentration (M) of the NaOH solution
if 352 g of magnesium reacts with excess oxygen to produce 296 g of magnesium oxide what is the percent yield for the
It has five transmembrane helices, separated by short loops. Draw the hydropathy plot for this protein, using a 7-residue sliding window. Be sure to label your axes.
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