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Write the structure of the product formed by treating montelukast with one equivalent of sodium hydroxide. Write the structure of the product formed by treating montelukast with one equivalent of HCl.
A chemist must dilute 80.5mL of 126mM aqueous sodium thiosulfate solution until the concentration falls to 110.mM . He'll do this by adding distilled water to the solution until it reaches a certain final volume.
calculate the grams of solute needed to prepare each of the following solutions: a)2.00 L of a 5.00 M NaOH solution. b) 325 mL of a .100 M CaCl2 solution. c) 15.0 mL of a .500 M MiNO3 solution.
What is the molarity of a solution that contains 41.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol}) in 280 mL of solution?
A 25.0 mL sample of 0.150 M hydrofluoric acid is titrated with a 0.150 M NaOH solution. What is the pH at the equivalence point? The Ka of hydrofluoric acid is 4.50 × 10-4.
Calculate the expectation values of x and x^2 for a particle in the state n=2 in a square-well potential?
The solubility of nitrogen in water exposed to the atmosphere, where the partial pressure of nitrogen is 593 mm, is 5.3 × 10-4 M. At the same temperature, what would be the solubility of pure nitrogen, at a pressure of 760 mm?
Calculate the percent ionization of 7.5×10?3 M butanoic acid in a solution containing 7.0×10?2 M sodium butanoate.
a zero-order reaction has a constant rate of 1.20times10-4 . if after 80.0 seconds the concentration has dropped to
The heat from an acetylene torch is produced by burning acetylene (C2H2) in oxygen. 2C2H2(g) + 5O2(g) ------------> 4CO2(g) + 2H2O(g) How many grams of water can be produced by the reaction of 2.40 mol C2H2 with 7.40 mol O2?
The boiling temperature is found to be 157 C(760 torr) as the first small amount of distillate is collected. The standard vapor pressures of n-propylcyclohexane and n-propylbenezene are known to be 769 toor and 725 torr
Kinetic Molecular Theory states that particle collisions are elastic,but energy and collisions of the particles are proportional to the absolute temperature, but the more collisions according to Henry's law, the more gas dissolves.
a he tank contains 25.2 l he at 8.4 atm. determine how many 1.5 l balloons at 755 mm hg can be inflated with the gas
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