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The volume of a sample of pure HCl gas was 179 mL at 25 C and 113 mmHg. It was completely dissolved in about 70 mL of water and titrated with an NaOH solution; 19.5 mL of the NaOH was required to neutralize the HCl. Calculate the molarity of the NaOH solution.
A diet soda contains 0.5% sodium, 0.25% potassium and 0.6% aspartame. Can you please show me how to calculate how many grams of each you would consume by drinking a 100 mL can of soda.
The 2-chloro 2-methylbutane is dried with anhydrous sodium sulfate in this procedure. Could solid sodium hydroxide or potassium hydroxide be used for this purpose
Calculate the volume of a balloon at the final temperature if this balloon at temperature of 279K and an initial volume of 2.3L is warmed to 406K.
Suppose you had started with 3.25 moles of sodium hydrogen carbonate,how many moles of sodium chloride would you expect to be formed?
Calculate E for a system that absorbs 814.0 kJ of heat from its surroundings and does 676.0 KJ of wor on its surroundings.
Calcultate what is the value of enthalpy H reaction If the temperature increased from 35.0 degree celsius to 76 degree celsius and the heat capacity of the calorimeter = 23.3kj/c ? (the molar mass of C2H5OH = 46.07g/mol. )
Determine the density and atomic radius of tungsten (W) if it crystallizes in a face centered cubic arrangement with cell edge 399 pm.
the condensate from a steam distillation contains 10g of compound a and 18g of water. at the temperature of the
The normal boiling point for H2Se is higher than the normal boiling point for H2S . This can be explained by
a solution contains 0.10m iodide ion i- and 0.10mcarbonate ion co32-. if solidpbno32nbspis slowly added to the
Which MO is the HOMO and which is the LUMO in the excited state 5. How many nodes does the highest-energy molecular orbital of 1,3,5,7-octatetraene have between the nuclei
Which protein elutes first from a carboxymethyl cellulose ion exchange column with an increasing pH gradient
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