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What is the molarity of a solution prepared by dissolving 13.1 g of glucose (of MW 180 amu) in 217 mL of solution?
A 0.264-gram sample of an amino acid was dissolved in 95.0mL of water and titrated with 0.105M NaOH. The first equivalence point was found at V(OH)=16.3mL.
A sample of gas at 47°C and 1.03 atm occupies a volume of 2.20 L. What volume would this gas occupy at 110.°C and 0.795 atm?
An archeologist finds a huge monolith in the desert. In order to estimate the weight of this object; he estimates the dimensions of the monolith and removes some chips from the rock with his hammer.
what mixing proportion is required for lime stone with 91% CaCO3, and clay with 31% CaCO3 to get a raw mix with a CaCO3 content of 76%.
A 15.0--mL unknown sample of aqueous acetic acid, CH3COOH(aq), was titrated using 0.800 M NaOH. If the titration endpoint was found to be 20.0 mL.
After equilibrium was established, which of the ions listed below was present in the greatest concentration?A) H2C6H5O7^-
Which is the excess reactant in the given reaction Na 2 S + CuSO 4 Na 2 SO 4 + CuS it is given that you start this reaction wit 15.5 grams of Sodium sulfide and 12.1 grams of copper sulphate?
Calculate the initial rate of the NO reduction at 1100 K if 400.00 mg of NO and 600.00 mg of H2 are confined to a 5.00 L reaction vessel.
Compute the pressure (in atmospheres) Using the van der Waals equation, exerted by water(H2O) of 23.93 grams at 36.11 degree celsius in a 1.00 Litre container.
In a titration experiment, a 12.5 mL sample of 0.0500 M KOH neutralized 14.7 mL of HNO3 solution. Calculate the molarity of the HNO3 solution.
In 1986 an electrical power plant in Taylorsville, Georgia, burned 8,376,726 tons of coal, a national record at that time.
determine volume it would have if it reaches an altitude where the temperature = -33 0C , pressure = 0.65 atm?
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