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Describe how you can use titration to determine the molar mass of an unknown acid, by giving a specific example and showing a sample calculation.
If 0.384 moles of Zinc reacts with excess Lead(IV) sulfate, how many grams of zinc sulfate would be produced in the following equation?
By titration, 23.4 mL of aqueous H2SO4 neutralized 24.8 mL of 0.0495 M LiOH solution. What was the molarity of the aqueous acid solution?
If you used 8400 kilojoules you expend in energy in one day to heat 50,000 g of water to 20 degrees C, what would be the irse in temperature? What would be the new temperature of the water?
Elemental exonium (not a real element) consists of two major isotopes
When hydrogenating methyl trans-cinnamate or dimethyl fumurate using 5% Pd/C at room temperature, how will you determine if the reaction is chemoselective
Calculate the number of mmoles of primary standard grade Na2CO3. b. How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.
Write a brief discussion of the bond dipoles of iodomethane and the corresponding Grignard reagent.
In this exercise it was also assumed that the calorimeter was a perfect insulator and that no heat was lost to the surroundings.
If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.
What is the correct net ionic equation, including all coefficients, charges, and phases, for the following set of reactants?
During an extraction a student loses track of which layer is the organic layer. How could she determine which layer is the aqueous phase?
The mass of an electron is 9.11 times 10^{-31}kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31times 10^{-10} how fast is the electron moving relative to the speed of light? The speed of light is 3.0 times10^8 m/s.
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