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the active ingredient of aspirin is acetylsalicylic acid, a monoprotic with a ka = 3.3 x 10 raised to -4 power. What is the pH of a solution dissolving two aspirin tablets, each containing 325 mg of acetylsalicylic acid, in 250 ml of water?
Calculate the excluded volume for one mole of molecules, which is the constant b. How does this compare with the sum of the volumes of 1 mole of the same molecule
What is the boiling point elevation and boiling point of a solution that contains 1.20 moles of non-ionic solute in 800.0 g of H2O?
How much heat is required to heat 410g of copper from 25degree C to 200degree C?
A sample weighing 3.183 g is a mixture of Fe2O3 (molar mass = 159.69) and Al2O3 (molar mass = 101.96). When heat and a stream of H2 gas is applied to the sample
If 55.0 mL of ethanol {rm{(density}} = 0.789;{rm{g}}/{{rm{mL}}})) initially at 9.0^circ C is mixed with 55.0 mL of water {rm{(density}} = 1.0;{rm{g}}/{{rm{mL}}}) initially at 28.1^circ C in an insulated beaker, and assuming that no heat is lost, w..
When the reaction is conducted in this way, however, a polymeric product is produced after step 1. What is the structure of the polymer? Why does p-acetamidobenzenesulfonyl chloride not produce a polymer
The Reaction of Ba(OH)2+2HCl=BaCl2+2H2O it requires 12.01mL of .03582 M HCl to react with 25.00ml of Ba(OH)2 solution calculate the concentration of the Ba(OH)
a solution containing 3.47mm x analyte and 1.72 mm s standard gave peak areas of 3473 and 10222 respectively in a
Assume that you have carried out a radical chlorination reaction on (R)-2- chloropentane and have isolated (in low yield) 2,4-dichloropentane.
An aqueous solution is 28.0% by mass ethanol, CH3CH2OH, and has a density of .957 g/mL. What is the molality of ethanol in the solution
the definition of Lewis acid and base but when the problem like below is given i don't know what to do. Can you thoroughly explain step by step to figure out which is which?
Find the heat transferred (in kJ) when 5.55 L of ethylene glycol (d = 1.11 g/mL) in a car radiator cools from 40.0°C to 25.3°C.
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