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Determine the osmotic pressure of an aqueous solution containing 250 g of glucose (C6H12O6) in a total volume of 1.0 L solution at 0.0 C.
In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively. What is the equilibrium partial pressure of SO3 in the mixture?
A water sample was found to contain [Ca2+]=35 mg/L and [Mg2+]=20 mg/L. Determine the water hardness in terms of mg/L CaCO3.and state whether it has low, medium or high hardness.
Talc (used in talcum powder) has mass composition 19.2% Mg, 29.6% Si, 42.2% O,and 9.0% H.What is the empirical formula of the compound?
For 220.0 mL of a buffer solution that is 0.205 M HCHO2 and 0.295 M KCHO2, calculate the initial and the final pH after adding 0.010 mol of NaOH.
If the titrant has a molarity of 0.2750 M and there are 5.00 mL of analyte present, what is the molarity of the analyte
What can make the titrated solution at the equivalence point in an acid-base titration have a pH not equal to 7
what is the percent yield of a reaction in which 228 g phosphorus trichloride reacts with excess water to form aqueous
The following equilibrium pressures were observed at a certain temperature for the reaction. N2(g) + 3 H2(g) 2 NH3(g) PNH3 = 3.1 10-2 atm PN2 = 8.5 10-1 atm PH2 = 3.1 10-3 atm a)Calculate the value for the equilibrium constant Kp at this temperatu..
what is the molar mass of a gas that has a density of 1.02g/L at 0.990 atm pressure and 37 o C
The density of a gas was determined to be 0.7655 g/L at a pressure of 0.4804 atm and a temperature of 17.44 °C. Determine the molecular weight of the gas.
Construct quantum mechanical operators for the following observable: (1) the inverse separation 1/x
Hydrogen gas was collected over water in a eudiometer at 25 C when the atmospheric pressure was 752 mm Hg. What was the pressure of the hydrogen gas?
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