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Problem: A 21.2 mL sample of 0.227 M KOH solution required 21.4 mL of aqueous acetic acid solu- tion in a titration experiment. Calculate the molarity of the acetic acid solution.
If excess sulfuric acid reacts with 30.0 g of sodium chloride, how many grams of hydrochloric acid are produced?
Calculate the pH of a solution made up from 2.2 g of potassium hydroxide dissolved in 146 mL of 0.16 M perchloric acid. Assume the change in volume due to adding potassium hydroxide is negligible.
if you were monitring the titation by visible spectroscopy what wavelength would you select for the data analysis? why?
write a detailed mechanism for the reaction of salicylic acid with acetic anhydride showing clearly the function of the catalyst,
How many grams of water would you add to 1.00 kg of 1.34 m CH3OH to reduce the molality to 1.00 m CH3OH
Justify your classification of the chemical equation for celluar repiration. So how how would you classify this. Electrochemistry has a wide range of applications. Research and describe one job, outside the field of chemistry, that uses electrochemic..
Hundreds of thousands, if not millions, of experiments on human body function have been done by very smart and careful scientists.
Problem- A 5.50 L of sample of gas is cooled from 91 degrees Celsius to a temperature at which its volume is 4.10 L. What is this new temperature. Assume no change in pressure of the gas.
What is the total mass of each of these elements in the Earth's crust (1 t = 1000kg)?
Suppose a reaction has the equilibrium constant k= 1.7 x 10^-8 at a particular temperature. Will there be a large or small amount of unreacted starting material present when this reaction reaches equilibrium
The burning of gasoline to power internal combustion engines produce water vapor, and carbon dioxide gas that is thought to contribute to the "Greenhouse Effect
Methane is completely burned with 20.0% excess air, with 25.0% of the carbon going to CO. What is the partial pressure of CO in the stack (exit) gas if the gas exits at a pressure of 740 mm Hg and a temperature of 300°F
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