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1.3 grams of the non-electrolyte C2 H6 O is dissolved in water and the freezing point of the solution is found to be -0.80C.found to be !0.80 C.
(a) What is the molar mass of C2 H6 O?
(b) How many grams of water were used to dissolve the 1.3 grams of C2 H6 O?
what mass of magnesium will react wait a 500.0mL container of oxygen at 150.0 degrees Celsius at 70.0 kPa?
Twenty-five mL of 0.150 M hydrofluoric acid, HF, is titrated with 0.100 M potassium hydroxide. What is the pH of the acid initially (before any base is added)?
Calculate how many kilograms of H2 it takes to electrify an average home for a month. Assume there are 30 days in a month. (1 Whr of electricity = 3600 J) Standard Values
How much heat is required to warm 229 g of ice from -44.9C to 0.0C, melt the ice, warm the water from 0.0C to 100.0C, boil the water, and heat the steam to 173.0C.
A certain quantity of a gas occupies 61.3 mL at 68C. If the pressure remains constant, what would the volume of the gas be at 17C?
the mass of the flask is measured when the outside of the flask is wet. However in part B.3 the outside of the flask is dried before its mass is measured.
how many atoms of hydrogen are contained in 35 molecules are butric acid?
A solution of methanol, CH3OH, cotains 55.0 grams of methanol in 100. mL of water solution. What is the molarity of methanol in the solution?
Consider the following reaction, equlibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of SO3(g)
what is the phase of matter of the solute and solvent of sterling silver?
Write a net ionic equation for the reaction between aqueous solutions of ammonia and hydrofluoric acid.
A 1- flask is filled with 1.20 of argon at 25 . A sample of ethane vapor is added to the same flask until the total pressure is 1.45 .
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