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Given: actual yield of Aspirin=1.47g Percent yield=51.8% Theoretical yield: 2.84 1.) a] How many grams of aspirin were lost in the washing process you used to purify your product, assuming you used 50 mL of water for washing? The solubility of aspirin in water is 0.33 g per 100 mL at room temperature. b] Recalculate your percent yield, taking into account the water solubility of aspirin when you calculate the theoretical yield. 2) using structures for all species, write the complete esterification reaction begun below: methanol (CH3OH) + salicylic acid ------H2SO4------> ?
Write the complete stepwise mechanisms for reactions below. Show all intermediate structures and all electron flow with arrows.
Write a balanced chemical equation for the standard formation reaction of gaseous hydrogen cyanide
calculate mass of KHC8H4O4 (molar mass = 204.44 g/mol) that reacts with 15 ml of the NaOH solution
Calculate the volume of CO2gas measured at 756 mm Hg and 23°C given off when 150 kg of limestone (CaCO3) is heated until it decomposes.
Draw the Lewis structures for the following compounds to assist you in answering this question. 1) CBr2H2 2) BH3 3) XeCl4 4) SF4 5) HCl Which compound has no lone pairs
Why is molarity not the best means of stating acid strength? Is molarity the most representative form of quantifying acids and bases?
1.) What are the possible values of the principal quantum number n. A.) represented by the formula: k!, where k is a positive integer B.)all the integer: -3,-2,-1,0,1,2,3, etc. C.)represented by the formula: n = 2k + 1, where k is a positive integ..
Some solid trisodium phosphate, Na3PO4, is added to the solution that is formed by mixing 1L of .002 M Al(NO3)3 and 1L of .004 M CaCl2. Which one is going to precipitate first,
What wavelength is expected for light composed of photons produced by an n=3 to n=1 transition in a hydrogen?
In the following reaction, C2H5OH + 3O2 → 2CO2 + 3H2O, if 54 grams of water is produced, how many grams of C2H5OH is needed for the reaction.
the reaction shown below occurs and the temperature of the resulting solution rises from 22.00°C to 61.16°C. If the specific heat of the solution is 4.18 J/(g ? °C), calculate delta H for the reaction, as written. Ba+2H2O--->Ba(OH)2+H2 Delta H?
Given a free energy change for a reaction of -0.125 kcal/mol, what is the equilibrium constant at 18 degrees C (r=8.314 J/mol*K)
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