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Calculate the concentration of each substance when mixing 40.0 mL of 0.1 M CH3COOH and 10.0 mL of 0.1 M CH3COONa?
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br- and C9H7N is quinoline
Hemoglobin has a positive charge of +5 and a radius of 3.55 nm in water. How far will the protein travel in one hour in an electrophoresis gel at 25C when a field of 1.0 V cm^-1 is applied if the viscosity of the gel is 0.891 cP
If you add a solvent called "dioxane" to water, a homogenous mixture forms. Dioxane and water have the same boiling point (100oC). How do you explain that the mixture of the two compounds shows a boiling point that is lower than the one found for ..
A buffer is made up of 355 mL each of 0.200 M NaHCO3 and 0.134 M Na2CO3. Assume that volumes are additive. Enough water is added to this buffer to make the total volume 10 L. Calculate the pH of the buffer after the addition of 0.0300 mol of HCl t..
picometers and a crystal of metal X has a unit-cell that is faced centered cubic. Calculate the density of Metal X(Atomic Weight = 42.3g/mol)
Consider the Bohr model of the hydrogen atom. What would the visible emission spectrum of hydrogen look like if electrons transitioned from a higher orbit to a lower orbit by way of slowly falling into the lower orbit over time while releasing ene..
filtrate be used to transfer the residue when the desired product is solid
How many grams of copper (II) sulfate are required to prepare 500 mL of a .25 M solution
how many grams of potassium permanagate are needed to discolor 1 gram of 2-pentene in basic solution.
How much dopant is present in 175kg of semiconductor with a dopant concentration of 4.00ppm by mass
Calculate the mass of silver chloride in grams required to make 4.4g of silver plating.
The heat of fusion of water is 6.01 kJ/mol and the molar heat capacity is 36.6 J/(oK.mol) for ice and 75.3 J/(oK.mol) for liquid water.
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