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In the titration of 25.00 ml of a water sample, it took 20.740 ml of 4.305x10-3M EDTA solution to reach the endpoint.
Convert the number of ml of bottled water used in each sample titration to Liters. (enter your answer with 3 significant figures)
stilbene isomerizes to isostilbene when dissolved in benzene with an appropriate catalyst. isostilbene also isomerizes
The first ionization energy of Na is 495.9 kJ/mol. What is the longest wavelength of light that could remove an electron from a Na atom
It has been proposed to mix a 1500 L bath containing 5% by volume of H2SO4 with a 1500 L bath containing 5% by weight of NaOH. The Specific gravity of the acid added is 1.841 as well as its purity is 96%.
question calculate the pca of a solution that results from the mixing 50.0ml of 0.0100 m ca2 with the following
At 28 ^circ rm C the osmotic pressure produced by the solution was 0.138 rm atm. What is the molar mass of the protein?
Calculate the pH of the solution made by adding 0.50 mol of HOBr and 0.30 mol of KOBr to 1.00 L of water.
Calculate the binding energy per nucleon for 21H and 31H. The atomic masses are 21H, 2.01410 amu, and 31H, 3.01605 amu.
When Copper (II) sulfate is prepared from copper (II) nitrate and sodium sulfate, the reaction initially produces a hydrated product: Cu(NO3)2 + Na2SO4 + 5H2O yield CuSO4 x 5 H2O + 2 NaNO3
Rank the solutions from the highest to lowest pH.
The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution
The standard free energy of the reaction represents the drive the reaction has under standard conditions to move toward equilibrium. Express the equilibrium constant numerically using three significant figures.
How much heat energy is needed to raise the temperature of 2.01 Kg of this oil from 23 C to 191 C?
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