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Calculate your quantities of starting materials requaired in order to obtain a yield of 0.5 g of aspirin (acetylsalicylic acid).Reaction: Salicylic acid + Acetic anhydride --> acetylsalicylic acid + acetic acidNote: Acetic anhydride must be in a three-fold excess (i.e 3:1 mole equiv) to the Salicylic acid.
Calibration and collection of equilibrium data are different experiment. Why could you use the calibration curve for getting equilibrium data?
Vitamin K is involved in the blood clotting mechanism. When 0.500 g is dissolved in 10.0 g of camphor, the freezing point is lowered by 4.43 °C. Calculate the molecular weight of vitamin K.
Example: Recovery of the reduced solution yielded a sorbitol syrup with a pyridine number of 83. Please help thank you.
2.4 g of a hydrocarbon fuel is burned in a calorimeter that contains 262 grams of water initially at 25.00 C. After the combustion, the temperature is 26.55 C.
A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain What change would you make to the procedure ?
After comparing max absorbance to reference values, the manual states "make a table of the expected results and the deviation from the standard.
If you have 200.0 mL of a 30.0% aqueous solution of isopropyl alcohol, what volume of water is in the solution?
the equilibruium constant Kc for the reaction A(g)+ B(g)----> C9(g) is 0.76 at 150C. If 0.800 mol of A is aded to 0.600 mol of B in a 1.00-L container at 150degrees C
If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams?
The element lanthanum has an atomic weight of 139 and consists of two stable isotopes lanthanum-138 and lanthanum-139.
Draw the major organic product when 2-chloro-3-dimethylpentane reacts with CH3CH2OH and isopropyl alcohol.
Calculate the maximum number of grams of H2S that can form when 158g of aluminum sulfide reacts with 131g of water.The *unbalanced* reaction is given below.
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