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A sample of 36.0 mg of an organic compound that has molar mass = 84.0 g/mol is dissolved in 10.0 mL of H2O. solution is extracted with five mili litres of hexane. aqueous phase of Separation and analysis shows that now it has the organic compound of 12.0 milli grams. compute the partition coefficient for the compound between C6H14 and H2O (Kphexane/water).
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
Using a sample that was dissolved in CH 2 Cl 2 , mixed alumina, evaporated the CH 2 C l2 , loaded and began to run his column, starting with C 6 H 14
Find the volume of oxygen gas required to react completely with iron and Calculate the volume of oxygen gas at STP that is required to completely react with 61.0 g of iron.
What happened when 6.0M HCl was added to the contents of the tube in 7a above?
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
Considering the given equation HCl + X 3 (PO4) 2 = H 3 PO 4 * XCl 2 it is given that when a particular metal A reacts with hydrochloric acid
Determine how much heat (in kJ) is needed to warm 12.0g of ice, that is initially at -10.0 ° C, to steam at 114.0 ° C? The heat capacity of ice is 2.09 J/g⋅ ° C and that of steam is 2.01 J/g⋅ ° C.
Calculate How many grams of pure, solid sodium hydroxide are needed to make 500 mL of 0.15M NaOH solution and also express the answer in just 2 significant figures?
Solving this question helps the student to understand how to find molecular formula using moles and mass and What is the molecular formula of this compound?
Find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
Determine the percent yield for the reaction and also find out at which point the total pressure = 188 torr.
Compute the activation energy for this reaction when The half-lives were found to be 161 min at 199 Celsius and 12.5 min at 230 celsius? The isomerization of methyl isocynide follows first order kinetics.
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