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Problem- Calculate the pOH of a solution that is 0.429 M morphine C17H19O3N and 0.342 M morphine hydrochloride
I need proficient help in the above problems.
a student placed in an unknown sample plate thin layer chromatography and develops in dichloromethane as solvent. only there is a spot whose Rf is 0.95. This indicates that the unknown material is a pure compound
what is the molar mass of toluene of 0.85g of toluene depresses the freezing point of 100g of benzene by 0.47cdegrees?
What pair of elements would you expect to exhibit the greatest similarity in physical and chemical properties. WHY.
Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron (in J)
In the reaction 2A ? X + Y, the initial concentrations are all 0.600 M. If the equilibrium constant is 1.20 x 10^6, what are the equilibrium concentrations
You are titrating 50.00 ml of unknown concentration of HNO3 with 0.487 M lithium hydroxide. You add 25.34 ml of lithium hydroxide to reach the neutralization point. Write the neutralization reaction: What is the pH at the neutralization point. wha..
separation and purification scheme 50% toluic acid, 40% fluorene, 10% 1,4-dibromobenzene
2-bromo-3-methylbutane reacts with potassium iodide in methanol to yield 2-iodo-2-methylbutane. 2-bromo-3-methylbutane
Calculate the Ksp for zinc phosphate if 1.18 10-4 g of zinc phosphate dissolved to make 5.0 L of a saturated solution.
From the solubility data given, calculate the solubility products for the following compound Ag3PO4, 6.7 x 10^-3 g/L
There are many types of energy: electrical, kinetic, gravitational potential, chemical, elastic, heat, etc. Choose an object or system in which energy is transformed from one form to another. Describe the energy transformations in this object or s..
Categorize each phrase below as being relevant to ionic bonding, covalent bonding or metallic bonding. 1. electron transfer 2. Nonmetal with nonmetal 3. Alloy 4. separate molecules 5. metal with metal 6
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