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Problem- At 25 C, a student adds 0.400 g of solid phosphoric acid to a beaker containing 500.0 mL of water. After the solid is completely dissolved, the student adds 20.0 mL of a 0.995 M sodium hydroxide solution. What is the final pOH of the solution in the beaker? Assume volumes are additive.
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a cannonball made of iron has a volume of 115 cm3. if iron has a density of 7.86 gcm3 what is the mass in grams of the
An empty 5.00- flask is charged with 0.450g of pure H2S(g) , at 25 degrees celsius What is the initial pressure of H2S(g) in the flask
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The solvent for an organic reaction is prepared by mixing 60.0 mL of acetone with 45.0 mL of ethyl acetate. This mixture is stored at 25.0C. The vapor pressure and the densities for the two pure components at 25.0C. What is the vapor pressure of t..
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Ethylene glycol, C2H6O2, is widely used as an automotive antifreeze. What is the minimum weight, in grams, of this compound that must be added to 10 kg of water to produce a solution that will protect an automobile cooling system from freezing at ..
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the maximum kinetic energy of the emitted photoelectrons and (b) the speed of photoelectrons having this maximum kinetic energy.
When (S)-2-bromobutane undergoes an S2N reaction with CH3O-, the product is the compound shown below. What is/are the configuration of the product(s) obtained from this reaction
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