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The boiling point of methanol is 72.2o C. The molar boiling point elevation constant for methanol is 2.7o C/m. Explain what is the boiling point (in oC) of a solution prepared by dissolving 50g of acidic acid C2H4O2 in 100g of methanol? (Tbo =94.7oC)
what is the denisty of a substance if a 1.50ml sample has a mass of 0.550g at room temperature? what is the specific
Calculate the change in height of water in your gas buret in mm, however you must convert mm of H2O (this is a measure of pressure) in torr (equivalent to mm Hg). Utilizing the appropriate conversion factors convert 105.3 mm H2O to torr.
Calculate the molality of a solution that contains 51.2 g of naphthalene, C10H8, in 500. mL of carbon tetrachloride. The density of CCl4 is 1.60 g/mL.
Provide structures of the substrate, initial additional product, and the product formed after hydrolysis in the reaction of cyclohexanone with sodium acetylide
0.497ml sample of HClO4 has a pH of 0.2251. If 647ml of distilled water was added to the HClO4 solution, what would be the new pH of solution be
why is the ground term of a d8 metal complex f3? what are the possible orbital transitions that can happen in the
1. can the terms lsquomass and lsquoweight be used interchangeably - explain.2. complete the following questions about
How many Al^3+ ions are in a mole of Al2S3. I haven't worked a problem like this before, any help would be really appreciated
Given an unknown sample of a solid, how would you decide that it is necessary to do a recrystallization. recystaillization-Why must you use a minimal amount of hot solvent
How many salt complexes would result if you treated racemic phenethylamine with racemic tartaric acid? After treating them with NaOH and extracting
As a technician in a large pharmaceutical research firm, you need to produce 450.ml of 1.00M potassium phosphate buffer solution of pH = 7.13. The Pka of H2PO4 - is 7.21.
The mass of the displaced fluid is equal to the mass of the object in air, 50.0 g, minus the apparent mass of the object in the fluid, 5.6 g: What is the mass of the displaced water
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