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Find out the proton NMR for the product of a double aldol condensation between p-tolualdehyde as well as cyclopentanone?
What volume of glacial aceic acid (18M) and what weight of sodium acetate trihyddrate(CH3COONa.3H20) are required to make 100 ml of .2 M buffer at pH 4.5 (pKa of acetic acid is 4.74). please explain steps in detail and use units in asnwer
the enthalpy change for melting ice at 0degc and constant atmospheric pressure is 6.01 kjmol. calculate the quantity of
As a side reaction of benaldehyde with Al in .5M NaOH would ethyl acetate keep it from contaminating the hydrobenzoin product
The precipitate of CaC2O4, weighed 1.437 grams determine the molarity of calcium chloride in the solution?
In a test tube, 10 mL of 0.100 M KI and 10 mL of 0.100 M Na2CO3 are mixed. Next, 0.10 M lead nitrate is added drop wise. What will be the concentration of CO3 2- when PbI2 first starts to precipitate? Ksp (PbCO3) = 1.5 x 10^-13 Ksp (PbI2) = 8.7 x 1..
The density of titanium is 4.51 g/cm^3. What is the volume (in cubic inches) of 4.0lb of titanium. Express your answer using two significant figures.
question if 10.7 ml of .110 m naoh is required to reach the equivalence point of a solution of citric acid how many ml
HCl (aq) + NaOH (aq) ? NaCl (aq) + H2O (l) A known amount of NaOH is added to a solution containing an unknown quantity of HCl (aq).
To simulate blood conditions a phosphate buffer system with a pH = 7.4 is desired. Explain what mass of Na2HPO4 must be added to 1.5L of 0.4 M NaH2PO4 (aq) to prepare such a buffer
Lucas Test. For each compund, drae its structure and note the amount of tome it takes for the soultion to become cloudy
an unknown cu2 sample gave an absorbance of 0.262 in an atomic absorption analysis. then 1.00 ml of solution containing
If 0.250 L of aqueous solution with a density of 1.00 g/mL contains 13.7 micrograms of pesticide, express the concentration of pesticide in ppm
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