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An aqueous solution has a vapor pressure of 84.0 at 50 . The vapor pressure of pure water at this temperature is 92.6 . What is the concentration of in mass percent?
concentrated hydrochloric acid is 38 hcl by weight and has a density of 1.19 gml. a solution is prepared by measuring
determine the equilibrium concentrations.at a particular temperature k1.00 x 102nbspfo rthe reaction.h2g f2g
Water autoionizes to produce hydronium ion and hydroxide ion. The product of the concentrations of these ions equals the water autoionization constant, Kw. This ionization constant depends on temperature, the enthalpy change, and the entropy chang..
If the initial concentration of cyclopropane is 0.150 M, what will the concentration of cyclopropane be after 22.0 hours? b) What is the half-life for the conversion process?
Consider a different titrant for this exercise. Suppose Ca(OH)2 were used as the titrant, instead of NaOH. This will make the titrant twice as concentrated in hydroxide ion. The analyte will still be HC2H3O2.
a student placed 13.5 g of glucose rm c6h12o6 in a volumetric flask added enough water to dissolve the glucose by
Describe a sequence of reactions by which hept-1-yne can be prepared from hept-1-ene. Provide a Chemical equation as well.
How much salicylic acid is required to produce 1.1 x 102 kg of aspirin assuming that all of the salicylic acid is converted to aspirin
calculate the specific heat capacity of this sample of mercury if the amount of energy required to heat 2.00 grams hg
the element neptunium possesses 93 electrons and weighs 237 amu. Calculate the contribution (in %) of its electrons to its total mass.
What is the mass of the solid NH4Cl formed when 66.0 g of NH3 are mixed with an equal mass of HCl? What is the volume of the gas remaining, measured at 14.0°C and 752 mmHg
Following the procedure of this experiment, a student team used 0.266g of barium nitrate and 0.424g potassium iodate and collected 0.395g of barium iodate. What was the theoretical yield of barium iodate?
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