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Problem- What is the theoretical yield (in mol) of carbon dioxide when 2.72 mol oxygen reacts with 2.49 mol of ethanol (CH3CH2OH) to produce carbon dioxide and water?
Rework your solution from the beginning and check each step carefully.
If the volumes in the buret and the flask are identical and the concentration of the acid in the buret is 0.250 M, what is the concentration of the base in the flask.
what mass of naoh s must be added to 1.0 l of 0.050 m nh3 to ensure that the percent ionization of nh3 is no greater
The boiling point of carbon tetrachloride is 76.8 oC. A given solution contains 7.69 g of a nonvolatile nonelectrolyte in 373 g of CCl4. The solution boils at 78.1 oC. What is the gram molecular mass of the solute?
Write the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by P
Question- Calculate the pH for each of the following cases in titration of 25.0ml of 0.160 M pyridine, C5H5N(aq) with 0.160 M HBr(aq):
the fizz produced when an alka-seltzerreg tablet is dissolved in water is due to the reaction between sodium
State the balanced net IONIC equation for the reaction that takes place when 0.1 M solutions of potassium sulfide and chromium (III) chloride are mixed
How many moles of sulfur trioxide are formed from 3 moles of sulfur dioxide using the given balanced equation. 2 SO2 + O2 = 2 SO3
Find the volume (mL) and pH of 0.0588 M KOH needed to reach the equivalence point(s) in titrations of the following.
Write the reaction of the borohydride ion with water using curvy arrows to show electron movement to form one molecule of H2. Draw a complete line structure for the borhydride ion.
Assume equilibrium with the calcium carbonate in the sediment and calculate the concentration of calcium ion (in mg/L -1) in the water (25C).
A student tried to detect the presence of calcium ion in milk by adding Na2SO4 solution to a sample of milk. What is the likely results of her experiment? What would she observe. Would she be able to detect Calcium ion
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