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What mass of sucrose (C12 H22 O11) should be combined with 522g of water to make a solution with an osmotic pressure of 8.55atm at 310K? (Assume the density of the solution to be equal to the density of the solvent.)
I have 3 forms of a chemical BH+(aq), B(aq), B(organic), and other Ions H+(aq), OH-(aq), Na+(aq),Cl-(aq) in a solution. What would the charge balance be
The gaseous product of a reaction is collected in a 25.0-L container at 27 degrees C. The pressure in the container is 300.0 kPa and the gas has a mass of 96.0 g. How many moles of the gas are in the container.
Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
A patient needs 2.70×10^-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
Ammonium Nitrate absorbs 3.30 x 10^2 J of heat per gram dissolved in water. In a coffee-cup Calorimeter, 4.40 G NH4NO3 is dissolved in 100 g of water at 21.0 degrees celsius. What is the final temperature of the solution
A 25.0-mL solution of 0.0430 M EDTA was added to a 48.0-mL sample containing an unknown concentration of V3 . All V3 present formed a complex, leaving excess EDTA in solution. This solution was back-titrated with a 0.0440 M Ga3 solution until all ..
Iincreasing the total pressure on the system by decreasing its volume, (c) adding gaseous I2 to the reaction mixture?
A gaseous hydrocarbon sample is completely burned in air, producing 1.80 liters of carbon dioxide at standard temperature and pressure and 2.16 grams of water. What is the empirical formula for hydrocarbon
A solution is .855% HNO3 by mass. Density of the solution is 1.01 g/mL. Find [H+], [OH-], and pH.
A diatomic gas X2 reacts with another diatomic gasY2 to form gaseous XY3
a mixture of 1.374 g of h2 and 70.31 g of br2 is heated in a 2.00-l flask at 700 k. the following equilibrium is
What concentration of naphthalene in grams per liter would be needed to give an absorbance of 1.0 at 220nm
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