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In a lab, 16.2 mL of methyl salicylate is hydrolyzed with 60 mL of 6 M NaOH. The resulting salt is acidified with 30 mL of 6 M HCl to prepare the crude salicylic acid. The crude sample is purified by recrystallization in 100 mL of 4:1 water-ethanol mixture. If the overall yield is 100%, how much pure salicylic acid can be synthesized (in g)? (Note: The density of methyl salicylate is 1.174 g/mL at room temperature. Keep three sig.figs. in your answer.)
what are the chemical shift,integration(#H),multiplicity,assignment and type of hydrogen in C8 H10 O and i have to identify the unknown. help please i have 4 signals
For example a diene is reacting with HBr producing a 1, 2 and a 1, 4 product. Under kinetic conditions which one is the major product and why. Under thermodynamic conditions which one is the most important product and why
If the density of the solution is 1.1094 g/mL, what is the molarity of the sulfuric acid?
Explain the meaning, purpose and the scope of management energy from the view of economy and politic.
When a sample of Vanillin weighing 2.500g burns in Oxygen, 5.79g of carbon dioxide and 1.18g of water is obtained. What is the empirical formula of Vanillin?
What is the maximum amount, in kg, of ethanol that can be produced when 2.62 kg of ethylene (C2H4) and 0.0684 kg of steam are placed into the reaction vessel
How many grams of H2O can be cooled from 45 degrees C to 15 degrees C by the evaporation of 63 grams of water.
A rigid container of O2 has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273 K?
The molar heat of fusion of water is 6.01kJ/mol. how much heat energy is required to melt one ice cube in a soft drink to form liquid water at 0 degrees Celsius if the ice cube has a mass of 18.g
According to Avogadro's law, how many liters of hydrogen are required to react with 1.9L of oxygen at STP.
The first step in industrial nitric acid production is the catalyzed oxidation of ammonia. Without a catalyst, a different reaction predominates
Calculate the pH of 23.5 mL of a .165 M aqueous NH3 solution after the addition of 21.7 mL of .100 M HCL. The kb for NH3 is 1.8x10(-5)
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