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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------> ?
For the reaction: H2+ClO2 = 2 HOCl; K=0.0900; what us the concentration of (HOCl), at equilibrium if 0.0230 mol of H2 and 0.0230 mol of ClO2
The total volume of both metals is measured by the displacement of water to be 419cm3 and the total mass is 4.34kg. What percentage of the spheres are copper?
How many moles of each ion are in each solution? (a) 2 mol of potassium perchlorate dissolved in water K+ mol ClO4- mol (b) 255 g of magnesium acetate dissolved in water Mg2+ mol C2H3O2- mol
dissolved in 100.0 mL water and titrated with 0.500 M NaOH; it takes 45.1 mL to reach the equivalence point. What is the molecular mass (g/mol) of pyruvic acid?
Aqueous ammonia is commercially available in a solution that is 28% (w/w) ammonia. What is the mole fraction of ammonia in such a solution
Calculate the volume of 0.125 M radium hydroxide solution required to completely neutralize 10.00 mL of 6.32 M phosphoric acid (3 acidic hydrogens)
Determine which gases remain after the reaction goes to completion and calculate their partial pressures. The temperature at the beginnning and the end of the experiment is 22 °C.
Eventually, the amounts of the three species do not change further; the system has reached equilibrium. (at this point, approximately 22% of the HI has decomposed.) Describe what is happening in this system at the molecular level.
Type the electron configuration for the following ions according to the rules in your text. Use the format {He} 2s2 2p2 for carbon. Pay attention to the spaces.
methanol is produced commercially by the catalyzed reaction of carbon monoxide and hydrogencog 2 h2g ch3ohgan
Fuel engineers use the extent of the change (K) from carbon monoxide and water vapor into carbon dioxide and hydrogen to regulate the proportions of synthetic fuel mixtures
Which of the following will not have ionic bonds?
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