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What mass (in grams) of methanol (CH3OH) would need to be added to 250 grams of water to make an ideal solution with a boiling point of 104.3°C? (Kb for water is 0.512°C/m)
A. 172 grams
B. 67.3 grams
C. 269 grams
D. 93.3 grams
Radical formed by H-abstraction from diethyl ether. Showing curved arrows to where it goes.
what are the kinds of attractive forces that might bind congo red to cotton
The aspirin componet weighs only 250mg. What is the w/w% aspirin inthe time release tablet?
Deionized water from the wash bottle is used to wash the side of the erlenmeyer flask. how does this affect the reported molar concentration of the Na2H2Y solution
Compounds of boron and hydrogen are remarkable for their unusual bonding and also for their reactivity. With the more reactive halogen
the two most popular types of fuel for fuel cells are hydrogen and methane or natural gas. while hydrogen fuel cells
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA-, A2-) at pH 8.44
when the initial concentration of reactant is 0.71 m a second-order reaction has a half-life of 18 s then determines
An unknown organic compound has the empirical formula C2H2O. A solution of 3.775 g of the unknown compound dissolved in 12.00 g of water is cooled until it freezes at a temperature of 4.72°C.
How many coulombs are required?
Assume ideal behavior of diatomic gas and ignore the changes in the number of moles of gas during combustion.
Write the structure for the pyrrolidine enamine and for the imine of cyclohexane. Write a balanced equation for the acid-catalyzed hydrolysis of each of these compounds.
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