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A quantity of 11.05 mL of a KOH solution is needed to neutralize 0.3749 g of KHP. What is the concentration (in molarity) of the KOH solution?
A gas occupies 10.0 L at 44.1 psi and 27 degrees C. What volume will it occupy at standard conditions
An elemental analysis shows that it contains 40.0 mass percent C, 6.71 mass percent H, and 53.3 mass percent Oxygen. Remember mass percent = grams. A determine the empirical formula. B. determine the molecular formula.
The standard voltage of the cell Ag(s) | AgBr(s) | Br (aq) || Ag +(aq) | Ag(s) is +0.73 V at 25 ?C. Calculate the Ksp for AgBr.
The reaction that occurs in a Breathalyzer, a device used to determine the alcohol level in a person's bloodstream, is given below. If the rate of appearance of Cr2(SO4)3 is 1.64 mol/min at a particular moment, what is the rate of disappearance of..
A flexible container initially holds 2.0 moles of an ideal gas at 293K and 1.0 atm. The container is compressed isothermally
Predict the distance between Si atoms in solid silicon. How does this compare to the distance between C atoms in diamond, Which has the same structure as solid silicon
What mass of calcium can be produced by this process if a current of 7300A is applied for 46h ? Assume that the electrolytic cell is 75% efficient.
The pH is 3.95 at the first equialence point and 9.27 at the second equivalence point. If the acid solution contained 0.2015 g of the acid, what is the molar mass, pKa1, and pKa2 of the acid
the density of the fuel is 0.78 g/mL the initial temperature of the water is 25 degrees celcius and the standard enthalpy of formation is -224.4 kJ/mol
Three solutions are mixed together to form a single solution. One contains 0.2 rm mol rm Pb(CH_3COO)_2, the second contains 0.1 rm mol rm Na_2S, and the third contains 0.1 rm mol rm CaCl_2.
How much time (in s) is needed for NOCl originally at a concentration of 0.0194 M to decay to 0.0026 M
A 2 mL sample was taken of a solution of barium iodate at 10 degree C. the sample was mixed with 2 mL of 0.5 M KI and 2 mL of 1M HCl. The transmittance of the mixture was read and compared to a calibration curve which indicated a concentration of ..
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