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During the separation process students frequently examine that their sodium hydroxide solution is colored because of hydrolysis of small quantities of acetaminophen by sodium hydroxide to form 4-aminophenol, which is oxidized to an extremely colored compound. Define how the separation could permit traces of acetaminophen in the aspirin and caffeine solution. The solubility of CH2Cl2 is acetaminophen 0.0005 aspirin 0.033, caffeine 0.089 g/mL
Therefore the formula is N2O4 Dinitrogen tetraoxide. Recognizing Incorrect Names and Formulas of Explain what is wrong with the name of formula in the second.
Hydrogen peroxide decomposes to give water and oxygen gas according to the equation below. If 3.0 moles of hydrogen peroxide decompose
You use 27.5 mL of NaOH to titrate 100.0 mL of HCl and 18.4 mL of NaOH to titrate 50.0 mL of 0.0782 M H2SO4. What are the concentrations of the HCl and NaOH respectively?
Calculate the approximate molarity of this solution from the volume, percent composition, and density.
Calculate the percent KBr in the mixture. Calculate the percent Mg(OH)2 in the mixture. Calculate the percent BaSO4 in the mixture
what is the molecular equation ionic equation and the net ionic equation?caco3 and
If gasoline's composition is estimated to be 50% octane, 25% pentane and 25% ethly benzene on a mol basis, calculate the mols of oxygen required per mol of fuel for complete combustion.
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams.
A cook wants to heat 1.35 of water from 32.0 to 100.0 .If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn.
a solution was prepared by mixing 50.00 ml of 0.190 m hno3 and 124.00 ml of 0.150 m hno3. calculate the molarity of the
Which of the following statements is/are correct. i. KBr, HClO3, and HClO2 are strong acids ii. NaH, KOH, and Li2O are strong bases iii. HI, HClO3, and HNO3 are strong acids
A mass of gaseous water is given at a certain temperatur and a mass of liquid water is given at another temperature and it wants to know the final temperature of the system and the heat capacity is constant
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