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intravenous medications are oftend administered in 5.0% glucose by mass. what is the osmotic pressure of such solutions at 37 C? assume that the density of the soloution is 1.0 g/mL.
Formulate a rule/guideline for determining the number of valence electrons from an electron configuration in elements with d electrons present
61.5 mL of 0.11 M sodium hydroxide were required to completely neutralize 23.7 mL of sulfuric acid. Calculate the concentration of the sulfuric acid solution
A .76g sample of polyvinyl chloride (PVC) is dissolved in 250mL of a suitable solvent at 25C. the solution has an osmotic pressure
What mass of HCl gas must be added to 1.00L of a buffer solution that contains [acetic acid]= 2.0M and [acetate]= 1.0M
How would (The weak base sample was impure, containing about 5% inert material) affect the values of Ka for the weak acid unknown and the values of the molar mass for the disodium salt
what is the number of valence electrons for nh4+ and what is the lewis structure for that molecule. and how many remaining electrons are there and how do you find the formal charge.
A solution is prepared by condensing 4.00L of a gas, measured at 27°C and 746mmHg pressure into 58.0g of benzene. Calculate the freezing point of this solution.
How many grams of H2 are needed to react with 3.10 g N2?
Equal volumes of 1 x 10-5 M solutions of Cd2+ and CO32- ions are mixed in one flask and equal volumes of 1 x 10-5 M solutions of Ag+ and CrO42- ions are mixed in a second. Which substances precipitate given that the Ksp values of CdCO3 and Ag2CrO4..
What mass of propane gas, C3H8, will occupy 860. mL at 880. mm Hg and 81.0°C?
Calculate the density in grams per liter of the following gases at 29.7 degrees Celsius and 700 torr: NH3, N2, N2O
Pure water, .120 m C6H12O6, .050 m LiBr and .050m Zn(NO3)2....which has the highest vapor pressure, highest boiling point and highest freezing point
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