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When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water. What weight of sodium carbonate would have been present originally if 5.0 L of carbon dioxide were obtained in this way?
Determine What is the percent by mass of sodium phosphate in a 0.142M Na 3 PO 4 (aq) solution? If it is given that it has a density =1.015g/mol.
What is the molar mass of this substance, express your answer in g/mol and determine the moloar concentraitions Cr 2 O 7 ^2 and of K + ?
Calculate the number of grams of H2 formed If the wet Hydrogen gas formed occupies a volume of 9.67 Litres
Compute the difference in the ionization energies for the 1H 2H atoms(The ionization energy is the energy of the transition from the n=1 to the n=infinity energy levels for the hydrogen atom. )?
CHEM 354 Extended Problems, The variation of EMF for the cell below with temperature is shown in the graph below.
A 29.0-g sample of water at 260. K is mixed with 48.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
Assume that 120 grams of CH 3CH 2OH at 29 degree Celsius temperature is added with 250 grams of CH 3CH 2OH at 85 degree Celsius degree Celsius at constant pressure of atmosphere.
You have 493 mL of chlorine trifluoride gas at 699mmHg and 45 degrees Celsius. What is the mass (in grams) of the sample.
What is the pH of a solution obtained by adding 75.0mL of 0.366M CsOH to 250.0 ml Ba(OH)2 solution with a pH of 11.65.
Determine the concentration of the original Na 2 C 2 O 4 solution and disodium oxalate in the presence of excess acid.
how many milliliters of 0.0850 m NaOH are required to titrate each of the following solutions a) 40.0 ml of 0.0900 m HNO3 B)35.0 ml of 0.080 m HC2H3O2 c) 50.0 ml of a solution that contains 1.85 g of HCl per liter.
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