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An outstanding team of UCLA chemists helped the student in question 1 and performed the extractions. They started with 0.47 grams of a mixture containing 0.143 grams of the acid and recovered 0.117 grams of benzoic acid. What was their percent recovery?
Lewis Structure and state which of the given compounds are isomers - There are three compounds are given as I. pentane , II. 2-methylbutane , III. 2,3-dimethylbutane , IV. 2,2-dimethylpropane V.
A compound contains 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen (by mass). calculate empirical formula.
When determining the acid content in prepared yellow mustard by adding NaOH and water, how do you find the mass of CH3CO2H reacted?
How many grams of solid sodium phosphate, Na3PO4, are needed to prepare exactly 250ml of a 0.500M Na+ solution?
when 9.8 g of aluminum oxide (Al2O3) decomposes, how many grams of aluminum metal are produced?
Explain how a calibration curve could be used to determine an unknown quantity
Use this mass and the dilution volumes to calculate the ACTUAL molarity of the sulfuric acid in the INITIAL solution.
That is, if you see a second layer of insoluble organic liquid, what could the unknown be in addition to a tertiary alcohol?
A cylinder is separated into two sections Y and Z by an insulating frictionless piston and sealed at both ends. Each section has two moles of an ideal gas.
How many moles of steam are produced at 2.00 atm and 202.0 by the complete combustion of 12.50 L of methane gas?
How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.
Ozonolysis from unknown compound, A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C.
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