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A 0.5214?g sample of an unknown monoprotic acid was titrated with 9.98×10?2M NaOH. The equivalence point of the titration occurs at 23.74mL . Determine the molar mass of the unknown acid.
How many grams of lead chromate form when a 1.00-g sample of Pb(NO3)2 is added to 5.0 mL of 1.00 M K2CrO4 solution.
Determine the mass of Cr 3 + in the original solution if The total mass of the precipitate = 49.6 .
Calculate the pH of the solution that results when 0.55 g of KHP is dissolved in enough water to produce 25.0 ml of solution.
A 29.0-g sample of water at 270. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
how to calculate ksp of Ca(OH)2 at 296.25K and 364.95K with Ca(OH)2 being titrated with 0.0523M of HCl and 7.80mL of it added at 296.25K
The formula of the precipitate is Cu(IO3)2. A saturated solution of this substance was made in 0.01 M KlO3. The copper concentration was found to be 0.0012M. Determine the [IO3^-] and the Ksp of the substance.
two identical positive charges exert a repulsive force of 6.4x 10^-9 when seperated 3.2x10^- 10 m. calculate the charge of each
A solution contains 9.87 (g) of dissolved silver. How many moles of potassium chloride must be added to the solution to completely precipitate all of the silver?
What osmotic pressure would develop across the membrane if the temperature is 26.0 degrees Celcius?
An unknown gas Q effuses 1.26 times as fast under the same conditions as Xe gas. What is the molar mass (g/mol) of Q?
What type of chemical reaction is the following?
A turbine operates adiabatically with super-heated steam entering at T1, and P1, with a mass flow-rate, m(dot). The exhaust pressure is P2 and the turbine efficiency is gamma
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