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If 162 of wet is collected over water at 24 and a barometric pressure of 736 , how many grams of have been consumed? (The vapor pressure of water is 22.38 .)
41.89 mL of NaOH were required to completely titrate 25.00 mL of a weak monoprotic acid. After 11.90 mL of sodium hydroxide had been added to the solution, the pH of the solution was 6.81. Calculate K_a_ and pK_a_ for this weak acid.
What volume of hydrogen can be produced at 22.0C and 1.01atm pressure by the reaction of 25.0ml of 2M HCL with 0.3g Zn?
Calculate an approximate delta_h in kilojoules for the industrial synthesis of ethyl alcohol from ethylene: C2H4(g) + H2O(g) -> C2H5OH
Calculate the pH of a strong base solution formed by mixing 16.2 mL of 8.93e-05 M LiOH with 23.6 mL of 9.10e-05 M Sr(OH)2.
a strong acid is generally used to catalyze the fischer esterification of carboxylic acids. what two steps in the
Assuming equal concentrations, rank these aqueous solutions by their freezing point. SnI4, NaNO3, Al(NO3)3, NaSO4. highest to lowest
Calculate the mass of silver chloride required to plate 295mg of pure silver.
the density of an unknown compound made from sulfur and oxygen is 2.47 x 10^-3 g/mL at 23 C and 76 kPa. what are the possible molecular formulas for the compound?
a 1.150g of the hydrated salt ZnSO4. XH2O is dissolved in water and the sulfate ion is precipitated by adding an excess of BaCl2 solution. The mass of Pure and Dry BaSO4 precipitated obtained is 0.9335g. What is the formula of the zinc sulfate hyd..
The molar mass of an oxygenated hydrocarbon substance is 88.0 g / mole.Its composition is as follows:O:36.4%,H :9.0%,C:54.6%.Calculate the empirical formula and molecular formula.(use atomic mass C=12.0,H=1.0,O=16.0)
A saturated solution of calcium iodate, Ca(IO3)2, is created by suspending a small amount of pure solid of Ca(IO3)2 in 50.0 mL of distilled water.
Calculate the fraction of atoms in a sample of argon gas at 360. K that have an energy of 14.0 kJ or greater.
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