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Problem- A 8.870 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 15.81 grams of CO2 and 6.473 grams of H2O are produced.
In a separate experiment, the molar mass is found to be 74.08 g/mol. Determine the empirical formula and the molecular formula of the organic compound.
Explain each and every step in detail. I need proficient help in the above problems.
Compute the grams of sodium chloroacetate needed to prepare 50mL of a 0.256M NaClCH2COO solution
A sample of water 53 g with a temperature of thirty six degree celsius is combined to 250 grams of H 2 O at 91 degree Celsius in an insulated container. Determine the final temperature after thermal equilibrium is reached?
Determine the molality of a solution of ethanol dissolved in methanol for which the mole fraction of ethanol is 0.27.
A solution is prepared at 25 degrees Celsius between 150 mL of 0.15 M C6H5COOH and 12.5 grams of C6H5COONa. What is the resultion pH of the solution, assuming no volume change.
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Explain how many grams of H2O(g) are formed when 4.48 g of C7H12O2 is completely burned in in an oxygen atmosphere? mass of H2O (g)=
What is the molar mass if a 0.550-g sample occupies 258mL at a pressure of 744 torr and a temperature of 22 degrees C
What is the hydrogen ion concentration of a solution when 2.334ml of acetic acid (60.05 g/mole) and 2.082 grams of sodium acetate (82.04 g/mole) are added to 500ml of water?
Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.
based on molecular structure arrange the following sets of oxyacids in order of increasing acid strength.hclo3 hio3
assume that the unshaded spheres in the buret represent h ions the shaded spheres in the flask represent oh- ions and
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