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Consider two aqueous solutions, A and B (which contain different solutes). Is it possible for solution A to have a greater concentration than solution B in terms of mass percent, but a smaller concentration in terms of molarity? If no, explain why not. If yes, provide an example. What if the solutions contained the same solute?
Copper is elctroplated from CuSO4 solution. A constant current of 4.00 amp is applied by an external power supply. How long will it take to deposit 1.00x10^2 g of Cu? The atomic mass of copper is 63.546.
If an automobile is able to travel 242 mi on 12.0 gal of gasoline, what is the gas mileage in km/L
Find the Density of a substance with a mass of 51.2g and a volume of 150mL
When 6.82x1015 ng of potassium chlorate is heated, how many grams of potassium chloride and oxygen are formed?
Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.
Write a balanced equation for the single-replacement oxidation-reduction reaction described, using the smallest possible integer coefficients
Calculate the percent compostion of impure benzoic acid. The orignial weight of benzoic mixture was 4.23 g
When the following equation is balanced, H2S + Fe(OH)3 ----> Fe2S3 + H2O the coefficient of H2S is
predict whether solutions of the following salts are acidic, basic, or neutral.
a volume of 5.3 L at 127 degrees Celsius, what is the pressure of the gas in atmospheres?
the discharge pressure is 2 bars. Determine the area, enthalpy and specific volume at the entrance of the nozzle and the area, enthalpy
In an investigation of the electron absorption spectrum of a particular element, it is found that a photon having wavelength of 500 nm provides just enough energy to promote an electron from the second quantum level to the third. What is the energ..
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