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When 0.069 mol of aluminum sulfate are dissolved in enough water to make 485 milliliters of solution, what is the molar concentration of aluminum ions?
CS2(l) + 3O2(g) -> CO2(g) + 2SO2(g) What volume of O2 is required to react with excess CS2 to produce 4.0 L of CO2? Assume all gases are measured at 0oC and 1 atm.
When pure carbon burns in air, 10.0 kg of carbon react with the oxygen in the air to form 36.7 kg of carbon dioxide. Calculate the percentage of oxygen contained in carbon dioxide.
An aqueous solution of unoxygenated hemoglobin containing 5 g of protein (M= 64000 g/mol) in the 100cm3 of solution is placed in an insulated vessel.
A 4.000-g sample of the metal nitrate M(NO3)2 was dissolved in water and treated with excess aqueous sodium sulfate. The sulfate salt that formed weighed 3.318 g. Determine the identity of the metal.
Compute the difference in pressure between CH4 and an ideal gas if 14.0 moles of gas are in a 6.00 litres tank at the temperature of 21.1 degree celsius . The van der Waals constants for CH4 are a =2.300 L^2 x atm/mol ^2 and b=0.0430 L/mol.
Consider the base monosodium phosphate and Write the structure of the conjugate acid of this base- ineffective for extracting C7H6O2 from a diethyl ether solution.
If a piece of Calcite (Calcium Carbonate) is put into the lake, would it tend to dissolve? Calcium carbonate solubility is 10^-8.35 M2, and the measured concentration of calcium ion is 0.1mM (millimolar)
Determine what is the longest possible wavelength of light that could ionize an atom of bismuth if the first ionization energy of bismuth is Ei1 = +70 kJ/mol.?
Determine how many grams will remain in 150 Years If we have 150.000 g of 137Ce now,?
Chlorine consists of two major isotopes with the following atomic masses: 35Cl (34.9689 amu) and 37Cl (36.9659 amu). The average atomic mass of chlorine is 35.4527 amu.
Determine How many grams of NaOCl are in the solution if the percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%.?
Determine how many milligrams of H 2 O are present in sample If the freezing point of a 100.0g sample of 2-methyl-2-propanol =24.59C?
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