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A dextrose/saline aqueaout solution doctors commonly use to replace fluids in the body contains 1.75g/L NaCl and 40.0g/L dextrose. a) what is the molarity of all solutes in this solution? b) what is the osmotic pressure of the solution at 25 C. assume total dissociation of NaCL.
Alkenes contain double bonds while alkynes contain triple bonds, Naming compounds containing double as well as triple bonds
If 3.17 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
a sample of chlorine gas occupies a volume of 946ml at a pressure of 726mmhg. Calculate the pressure of the gas in (in mmhg) if the volume is reduced at constant temperatures to 154ml.
A brand of gasoline has a density of 0.737 at 25 degrees Celsius . How many grams of this gasoline would fill a 13.4 tank?
The empirical formula of a compound is found to be P2O5. Experiments show that the molar mass of the compound is 560g/mol. What is the molecular formula of the compound?
If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate.
25.0 ml of 0.212 M NaOH ia neutralized by 13.6 ml of an HCl solution. The molarity of the NAOH solution is?
A 20.0-L nickel container was charged with 0.835 atm of xenon gas and 1.44 atm of fluorine gas at a 400 degrees C. the xenon and fluorine reacts to form tetrafluoride. what mass (G) of xenon tetrafluoride can be produced assuming 100 percent yield..
For an electron in a hydrogen atom, compute the most likely radius (in Angstroms) of the electron in each of the following states:
A volume of 95.0ml of h2o is initially at room temperature 22.0 C. A chilled steel rod at 2.00 *C.is placed in the water. If the final temperature of the system is 21.2 *C. what is the mass of the steel bar?
A 30.36 gram sample of a hydrate of MnSO4 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 27.12 grams of the anhydrous compound remained. What is the formula of the hydrate?
A 2 mL solution containing 1.40 uCi/mL is injected into the blood stream of a patient. After dilution, a 1 mL sample is withdrawn and found to have an activity of 2.9 * 10-4uCi. Calculate the blood volume,
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