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Determine the molecular formula for ibuprofen, a common headache remedy. Analysis ofibuprofen yields a molae mass of 206 g/mol and a percent composition of 75.7% C, 8.80% H and 15.5% O.
Suppose you want to produce 1L of 3.50M aqueous solution of H2SO4. How many grams of solute are needed to make this solution.
A solution of a weak acid was tested with the indicators used in this experiment the colors observed were violet orange red blue and yello what is the approximate pH of the solution
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.
m is a metal x is a non-metal. upon strong heating of 0.5000g of mxo3s it decomposes forming mos and xo2g. then all of
1) Draw all aldehyde and ketone isomers of C 6 H 12 O. 2) What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?
needed to titrate 45.25 mL of NaOH. Calculate the moles of NaOH needed for the reaction. Calculate the Molarity of the NaOH solution
A sample of a compound is found to contain 1.011 g of chromium and 0.467 g of oxygen. What is the empirical formula for this compound
The activation energy for a reaction is 55.5 kj/mol. if the rate constant for the reaction has a value of 1.35 * 10^2 s^-1 at 25 degrees Celsius what will it be at 95 degrees Celsius
What is the freezing point of 0.525 m (molal) aqueous solution of glucose (C6H12O6)? [Data: Kf = -1.86 oC/m for water]
What is the gas pressure (in atm) inside a 1.89-L bulb that contains 1.56-g of Ne at a temperature of 21.1 C? Be sure to report the units as atm
write net ionic equations for the following molecular equations. hbr is a strong electrolyte. include states-of-matter
Help me understand specifically why the dissociated phosphate ion would prefer to bond with cations like Al and Zn. I think I know why but help me better understand.
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