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If a sample of 0.190 grams of KCN is treated with an excess of HCL, calculate the amount of HCN formed, in grams.
The vapor pressure of benzene (C6H6) is 120 torr at 27.0C, and its normal boiling point is 80.1C. What is the molar heat of vaporization of benzene.
Calculate the molar solubility of Cu(OH)2, Ksp = 2.2 × 10-20, in 0.82 M NH3. Don't forget to use the complexation reaction Cu2+ + 4 NH3 ? Cu(NH3)42+, K = 5.0 × 1013.
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
How many kilograms of methane (CH4) are in perfectly insulated piston with the following properties: Volume = 2 cubic meters.
A 0.12M solution of a weak acid HA has pH = 2.49. What is the Ka of this acid.
At 760 K, 15% of a sample of cyclopropane changes to propene in 6.8 min. What is the half-life of cyclopropane at 760 K?
If 0.088 moles of sulfuric acid is mixed with water to make 411 mililiter of solution, what is the molarity of H+.
You have a 100.0- mL graduated cylinder containing 50.0 mL of water. you drop a 115-g piece of brass into the water. To what height does the water rise in the graduated cylinder.
Determine pH of the solution....ICE table..Henderson HasselBach equations, Using a ICE table (initial change equilibrium) a)Calculate the pH of solution that is 0.175M in acidic acid(HC2H3O2) ans 0.110Min potassium Acetate(KC2H302)
Compute mass of Carbon dioxide formed from the decomposition of 59.0 grams of NaHCO 3 ?
What volume of a 0.50 M KOH solution is needed to neutralize completely 10.00 mL of a 0.30 M H2SO4 solution? The neutralization reaction is 2KOH + H2SO4 → K2SO4 + 2H2O.
A solution is prepared at 25 degrees Celsius between 150 mL of 0.15 M C6H5COOH and 12.5 grams of C6H5COONa. What is the resultion pH of the solution, assuming no volume change.
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