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Find out the concentration of a sulfuric acid solution by titration with a standard sodium hydroxide solution. You have a 0.1351M standard solution. You take a 25.00mL sample of the original acid solution as well as dilute it to 250.0mL. You then take a 10.00mL sample of the dilute acid solution as well as titrate it with the standard solution. Need 19.95mL of the standard solution to reach the endpoint. Explain what is the concentration of the original acid solution in M?
in most cases the solid substance on the tlc plate called the stationary phase is quite polar. often it is sio2 called
A 6.50 x 10^-5 M solution of potassium permanganate has a percent transmittance of 27.3% when measured in a 1.15-cm cell at a wavelength of 525 nm.
Using bond-line formulas, draw 6 constitutional isomers that have 1) the molecular formula C5H10O, and 2) a three membered ring
How many grams of solid aluminum sulfide can be prepared by the reaction of 11.0 g of aluminum and 16.4 g of sulfur and how much of the non-limiting reactant is in excess
How much energy in kJ is needed to heat 5.00g of ice from -10.0oC to 30.0oC? The heat of fusion of water is 6.01 kJ/mol and the molar heat capacity is 36.6 J/(oK.mol) for ice and 75.3 J/(oK.mol) for liquid water.
The vapor pressure of pure liquid A at 300K is 575torr and that of liquid B at 300K is 390torr. The molar volume of A is 0.0262L/mol and that of liquid B is 0.0306L/mol. Calculate the final partial pressures of A and B in the gas phase.
pseudoepedrine to metamphetamine? the entire mechanism withthe substitutions and movement of electrons with explanation
What is the enthalpy change associated with the formation of 0.58 mol H2O in the following reaction? CH4 + 2O2 ---> CO2 + 2H2O change in heat is 890.3 Kilojoules a. 516 b. 258 c. -1530 d. -258 e. -516
Predict which of the following compounds has the greatest lattice energy. A. SCl6 B. AlCl3 C. NaCl D. MgCl2 E. PCl5
A certain first-order reaction () has a rate constant of 6.90×10-3 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
what is the enthalpy change per g mol of O2 between the liquid storage tank and the state of which the O2 enters the fuel cell
scientist wants to make a solution of tribasic sodium phosphate for a laboratory experiment. how many grams of the
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