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Problem- Calculate the molarity of a sodium hydroxide solution if a .5356g sample of KHP was dissolved in 50 ml of water and titrated with 20.78 ml sodium hydroxide to a phenolphthalein endpoint.
I don't know how to solve this problem! Thanks for your help
Dinitrogen tetroxide (N2O4) dissociates via the reaction: N2O4 (g) ? 2NO2 (g). 3.00 × 10-2 mol N2O4 (g) is introduced into a 1.000L flask. At equilibrium, 2.36 × 10-2 mol N2O4 (g) remains. What is the equilibrium constant for this reaction?
A reaction was performed in which 0.30 mL of 3,7-dimethyl-3-octanol was reacted with concentrated hydrochloric acid to make 0.25 g of 3-chloro-3,7-dimethyloctane. 1) Calculate the theoretical yield and percent yield for this reaction.
Calculate the grams of O2 gas that will have the same volume as 300.0 g of N2 gas at 10 degrees C and 5 atm
An ocean wave has a wavelength of 4.000 meters and a frequency of 7.00 waves per minute. What is this wave's velocity in meters/minute
What mass of sodium formate must be added to 400.0 mL of 1.00 M formic acid to produce a buffer solution that has a pH of 3.50
The volume of a teaspoon is about 5cm, and Ben found this would cover half acre pond (2000 m2). Find the thickness of the oil film.
Write down the equilibrium expression for the conversion for sulpher dioxide into sulpher trioxide and rearrange this expression to give it in the form of an equation for straight line.
what pressure of O2 in a 500ml container at 30C is necessary for a reaction with 1.00g of H2 to produce H2O?
At saturation, 3.0 x 10-9 moles of AlPO4 have dissolved in 2 L of water. What is Ksp for AlPO4 at this temperature?
The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.
How many times through the cascade does it take to form one molecule of palmitic acid (hexadecanoic acid, C16H32O2)
what is the minimum concentration of ammonia that should dissolve AgBr to produce a 0.01 M Ag(NH3)2+ solution?
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