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A .500M solution of a weak acid, HX, is only partially ionized. The [H+] was found to be 3.69x10^-3M. Find the dissociation constant for this acid.
Determine the mass of silver chloride is produced from 75.0 grams silver nitrate
The volume of a gas is 5.0L when the temperature is 5.0C. If the temperature is increased to 10.0C without changing the pressure what is the new volume?
A sample of 6.022 g of CH4 is enclosed in a 12 L container at 402 K. What is its pressure in atmospheres
3I2(s) + 2P(s) → 2PI3(s) What is the percent yield of the reaction if 28.3 g of phosphorus triiodide PI3 is obtained when 68.0 g of I2 and 68.0 g of P are mixed and allowed to react.
What is the pH of the solution when 50 grams of Ca(OH)2 was added to 1 liter of water? Ksp of Ca(OH)2 = 6.5 x 10^-6
Explain Net Ionic Equations and Balancing, These are only eight out of a fifty-three question hand out, but with eight answers to reference off of I think I'll be far more successful in my attempts at this.
To find the % by mass of a compound in a given sample - Determine the percent by mass of calcium carbonate in the sample. State any assumptions.
Write the expression for the equilibrium constant, Kb, for methylamine also compute the molar concentration of OH- in the 50.0 mL sample of the CH 3 NH 2 solution.
A cylinder contains 975 grams of chloroform, CHCl3, How many atoms of carbon are in the sample? How many atoms of chlorine are in the sample?
Calculate the number of moles of NaHCO3 that reacted in each beaker. (The molar ratio between evolved CO2 and the bicarbonate is 1:1.
Determine How much sodium hydroxide (in grams) is required to form 546 mL of solution with a pH of 10.00?
Determine the percent yield for the reaction between 3.74g of Na and excess O2 if 5.35g of Na2O2 is recovered
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