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Bauxite, the principle ore used in the production of aluminum cans, has a molecular formula of Al2O3•2H2O. (a) Determine the molar mass of bauxite. (b) How many grams of Al are in 0.58 moles of bauxite?
What mass of CCl2F2 substance must evaporate in order to freeze 109 of water initially at 24 degrees celsius? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/gK .)
If 3.0 ml of distilled water is added to 2.0 ml of 0.35 M CoCl2 solution , what is the concentration of the resulting solutions?
The vapor pressure of a liquid is the pressure exerted by its vapor when the liquid and vapor states are in equilibrium. The relationship between vapor pressure and temperature is expressed by the Clausius-Clapeyron equation.
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
How many grams of sodium formate, NaCO2H are needed to prepare 100 ml of a formic acid, sodium formate buffer
A gas sample occupies a volume of 20cm^3 at 40 degree Celsius and at a pressure of 1.60atm. What volume will it occupy at STP?
The original conditions on a container filled with gas at a constant temperature are 180 cc and 300 mm Hg. The desired new volume is 90 cc.
2.00 x10^2 mL of .500 M HCl is mixed with 2.00 x 10^2 mL of .250 M Ba(OH)2. how many moles of water are produced in the reaction
A solution of 5.0 g/L of HY has the same pH as one containing 10.0 g/L of HZ. Which is the stronger acid. Please explain.
What is the mole fraction of acetone, C3H6O, in the vapor phase from a solution consisting of a mixture of acetone and ethyl acetate, CH3COOCH2CH3, at 30.00 °C, if the total pressure above the solution is 184.6 torr?
A 45.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?
In the titration, 34.67 mL of the sodium hydroxide solution was required to react with 0.1082 g KHP. Calculate the molarity of the sodium hydroxide.
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