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A solution is prepared by dissolving 267 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
The solubility of CO2 in water at 25°C and 1 atm is 0.034 mol/L. What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.0003 atm.) Assume that CO2 obeys Henry's law.
A 2.28-g sample of a salt dissolves in 9.10 g of water to give a saturated solution at 25°C. What is the solubility (in g salt/100 g of H2O) of the salt? 1 g salt/100 g of H2O
.56 g of a specific gas are held at 101 degrees Celcius and 800 torr in a volume of 285 mL. Determine the molecular weight of the gas.
you are given a stock solution of edta at a concentration of 5mm how would you dilution of edta with a final
calculate the massvolume percent of a solution in which 168 of is dissolved in enough water to give a total volume of
The element boron has two naturally occurring isotopes with masses of 10.0129 amu and 11.0093 amu. What is the percent abundance of the second isotope?
What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
what function of acetic acid in rection to yield acetanilide? can it be changed to another
How many moles of nitrogen are in an "empty" two-liter cola bottle at atmospheric pressure and room temperature (\rm 25^{\circ}C)? Assume ideal behavior.
What mass of CO2 will be produced when 100.0 g of C8H18 react completely in the equation? 2C8H18 + 25O2 = 16CO2 + 18H2O
naturally occurring silver contains 107ag amu 106.91 and 109ag amu 108.90 with mass percentages of 51.840 and 48.160
Offer an explanation for that fact that bromine adds to 2,3-dimethyl-2-butene 920,000 times faster than to ethylene, to produce the respective dibromides
albr3 is sold as a solution in ch2br2. this is a rather exotic solvent and somewhat difficult to work with as well
What is the molarity of an HCl solution if 23.3 mL of the solution is required to react with .266 g of Na2CO3
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