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Isotonic saline solution, which has the same osmotic pressure as blood, can be prepared by dissolving 1.023 g of NaCl in enough water to produce 290 mL of solution. What is the osmotic pressure of this solution at 33.7oC?
Many drugs that arenatural Bronsted bases are put into aqueous solution as their much more soluble salts with strong acids. The powerful painkiller morphine, for example, is very slightly soluble in water, but morphine nitrate is quite soluble in ..
Calculate the molarity of urea in a soln prepared by dissolving 16 g of urea (MM= 60.0 g/mol) in 39 g of H20. The density of the soln is 1.3 g/ml.
State the structure of the principle product from the reaction of 1-bromopropane with sodium ethoxide in ethanol
Correct the absorbance of the spiked samples for dilution and plot the absorbance versus ppm Fe added. Extrapolate the graph to the point where absorbance is equal to zero to determine the amount of Fe in the cat food sample in ppm.
The vapor pressure of pure methanol, CH3OH, at 30 °C is 160. torr. How many grams of the nonvolatile solute glycerol, C3H5(OH)3, must be added to 131. g of methanol to obtain a solution with a vapor pressure of 133. torr?
According to molecular orbital theory which of hte following is not predicted to exist I know its He2 but how do you get bond order from that is there an easy way
0.10 m potassium chromate is slowly added to a solution containing 0.50 m agno3 and 0.50 m bano32. what is the ag
CH3OH(g)-> CO(g) + 2 H2(g) H = +90.7 kJ Calculate E when 335.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
Problem- Use data from Appendix IIB in the textbook to calculate ?S?rxn for each of the following reactions.
The voltage of the cell is 1.74 V, with metal X as the positive electrode. Calculate the standard reduction potential for the X half-reaction. The standard reduction potential of the copper half-reaction is 0.52 V
If 5.23 moles of an ideal gas has a pressure of 4.03 atm, and a volume of 72.61L, what is the temperature of the sample. (Please write out the formula used completely)
A city requires to contract a laboratory to monitor the quality of drinoing water. Review the call for tender. State your approach to monitoring the methodology that you will pursue and the quality level of your work.
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