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Titration of a 10.0mL solution of KOH requires 22.0mL of 0.0310M H2SO4 solution.What is the molarity of the KOH solution?
Please balance the following equation at 25 degrees C by writing the correct coefficients in the spaces provided
A mixture of nitrogen and hydrogen was allowed to come to equilibrium at a given temperature according to 3H2+N2 2NH3. At equilibrium, the mixture contained
what is the proper technique to measure the temperature of a liquid in a beaker with a thermometer?
How do you find the mass of a stable isotope where the percentage is given as well as the average atomic weight of a certain element
Calculate the pH of 0.300 L of a 0.500 M NaHSO3 / 0.300 M Na2SO3 buffer before and after the addition of the following solutions. Assume that the volume remains constant.
Draw the Newman projections for the anti and gauche forms of 1,2-dibromoethane. The molecule has a dipole moment of 1.0 D.
How would you make a buffer with a volume of 2.0 L, pH of 5.0 and a strength of 0.25 M using 5.0 M acetic acid stock solution (Ka = 1.8x10-5) and sodium acetate ( NaO2C2H3 available as a solid salt FW = 82 g/mole).
In the purification process, the organic layer is washed sequentially with 2 M NaOH, water, and saturated aqueous sodium chloride. What is the purpose of each of these washes and why is cold 2 M NaOH recommended?
how much heat is required to convert 30.0 g of ethanol at 28 c to the vapor phase at 78 c ?additional infoethanol
If one added 0.01 M of CaCl2 to this solution, how many moles of Ca(OH)2 will now dissolve in 1.0 L of water containing this concentration of CaCl2
What is the equilibrium concentration of fluorine if the initial concentrations of bromine and fluorine were 0.113 moles/liter in a sealed container and no product was present initially
Based on Aufbau filling principles, chromium would be expected to have the following configuration [Ar]4s^23d^4. but the configuration is actually [Ar] 4s^13d^5. Wrtie a brief statement explaining why this alternate configuration is the known con..
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