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The sample of 19.2g of KCl is dissolved into a solution with a total volume of 242.0 mL. what is the molarity of the solution?
Calculate DeltaHrxn for the following reaction: CH4(g) + 2Cl2 (g) --- CH2Cl2(g) + 2HCl(g) Use the following reactions and given delta H's
A chemist needs to determine the concentration of a solution of nitric acid, HNO_3. She puts 865 mL of the acid in a flask along with a few drops of indicator
A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.75 M solution of NH3. Calculate the pH of the final solution. (Assume no volume change.)
What mass of solid PbCl2(278.10 g/mol) is formed when 200 mL of .125 M Pb2+
A mass of 0.750 g calcium chloride is diluted with 975 g H2O. What is the chloride ion concentration (in ppm)?
Calculate the concentration of Cu2+ in a solution prepared by adding 5.2 x 10 -3 mol of CuSO4 to 0.450L of 0.38 M NH3.
This given reaction: 2 O3(g) -→ 3 O2(g) has an empirically determined rate law (with a single unimolecular event). Determine what is the observed rate If k =4.0 × 105s-1, [O2] = 0.2M and [O3] = 0.5 M?
For the following reaction, KOH(s)+SO2(g)=KHSO3(s), if 0.5 g of each reactant were allowed to react with each other... which of the following answer choices apply to finishing the above question 1. more than one gram of product would result
Consider the following reaction at equilibrium. What effect will adding more H2S have on the system? 2H2S + 3O2 ---> 2H2O +2SO2
if grams of ammonia are reacted with 4.75 grams of oxygen gas, how many grams of nitrogen oxide will be produced.
Does ammonium chloride added to water produce a simple solution, does the ammounium chloride dissociate or does a chemical reaction occur resulting in a new set of compounds.
How many milliliters of 0.200 M NaOH will be required to titrate 7 mL of 0.479 M H2SO4
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