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Calculate the molecular weight of citric acid if 25.0 mL of a 0.750M sodium hydroxide solution were required to titrate 1.20g of citric acid. since citric acid has three acidic hydrogens, the number of moles of sodium hydroxide equals three times the number of moles of citric acid.
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
A mixture of 0.150 moles of C is reacted with 0.117 moles of O2 in a sealed, 10 L vessel at 500 K, producing a mixture of CO and CO2
Write a detailed reaction mechanism for the acid-catalyzed hydrolysis of lactose to its component monosaccharides
A copper storage tank containing dilute H2SO4 at pH 0.1 is blanketed with hydrogen at 1 atm. Calculate the maximum Cu(2+) contamination os the acid in moles Cu(2+) per liter. What is the corresponding contamination if the hydrogen partial pressure..
You are given an unknown (solid or solution) and told that it can be one of the other of the compounds in the pairs listed below. Describe a simple chemical test (Not a flame test) using only reagents from our chemistry kits that would enable you ..
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
How do you tell whether a solution is basic, acidic or neutral just by looking at the formula? Like KCl. I need to know how to figure out whether it's neutral, basic or acidic and have no clue how this is done.
Use the half reaction method to balance the following equation in acidic solution. It is not necessary to include any phases of matter for any species. It is not necessary to include any phases of matter for any species.
a solution is prepared by mixing 50.0 ml of 0.17 m pbno32 with 50.0 ml of 1.9 m kcl. calculate the concentrations of
When ethylamine dissolves in water, a solution of ethylammonium hydroxide is formed. If not, what is formed
What is the ratio of ionized to unionized molecules at pH 8.5. What percentage of the molecule is ionized at pH of 8.5
we have a compound that is determined to contain 4.36 grams of nbspphosphorus and 5.64 grams of oxygen and a molar mass
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