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How do you solve percent yield problems? Salicylic acid (FW = 138.12 g/mol), a reagent used to make aspirin, can itself be produced from oil of winter green (methyl salicylate, FW = 152.15 g/mol, d = 1.18 g/mol at 20 ºC), by reacting it with sodium hydroxide. This reaction is shown below. You measured out 7.14 mL of oil of wintergreen and 9.59 g of sodium hydroxide (FW = 39.997 g/mol). Experimentally, you produced 6.48 g of salicylic acid. What is your percent yield for this reaction?
C8H8O3 + NaOH → C7H6O3 + NaOCH3
List five food product would give a positive iodine-starch test for carbohydrate mention somthing beside potato
What type of strain does chair cyclohexane have significantly more of compared to n-hexane. A) angle
An aqueous solution has a vapor pressure of 84.0 at 50 . The vapor pressure of pure water at this temperature is 92.6 . What is the concentration of in mass percent?
A reaction mixture initially contains 1.6 L of A and 1.8 L of B. Assuming that the volume and temperature remain constant, what is the percent change in pressure if the reaction goes to completion?
In what ways is the pool-table model unsuccessful and misleading in modeling gas behavior?
A lab student analyzed a nickel-en complex for ethylenediamine, en, content. A 0.353g sample of the synthesized Ni-en complex was dissolved in about 50 mL of water and titrated with 0.165 M HCl (aq). Endpoint required 36.40 mL of the HCl (aq)
If you start with sold hydroxylamine hrdrochloride and 1.00M NaOH, what mass of solid will you need and what volume of NaOH can you expect to add
How many constitutionally isomeric alcohols are there with a formula of C4 H10 O?
If the heat of vaporization for water is 540 calg how many kilocalories are released when 5.00 g of steam is converted to liquid at 100C
Consider the reaction \rm CO(g) + NH_3(g) \rightleftharpoons HCONH_2(g),~~~~{\it K}_c=0.860 If a reaction vessel initially contains only \rm CO and \rm NH_3 at concentrations of 1.00 M and 2.00 M, respectively, what will the concentration of \rm H..
Explain the meanings of Vmax and Km. How do you get them from a graph of v vs. [S]. Draw a generic example and label appropriately. What are the differences between a competitive and non-competitive inhibition
Explain how this system appears static but in fact is a dynamic equlibrium, Na+(aq) + Cl-(aq) --> NaCl(s), that is in constant motion though the mass of solid is constant.
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