Calculate formal concentration of sodium acetate solution
Calculate the formal concentration of a sodium acetate solution prepared by diluting 45.0 mL of a solution containing 25.0 ppm sodium acetate (NaC2H3O2) to a total of 0.500 liters of solution.
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Did the acids and bases exactly neutralize each other? if not, calculate the concentration of excess H+ or OH- ions left in the solution.
A layer of iron(III) oxide forms on the nail, increasing the nail's mass. How much oxygen has reacted with the iron if the mass of the nail has increased to 5.89 g?
The rate of effusion of a particular gas was measured and found to be 24.0 mL/min. Under the same conditions, the rate of effusion of pure methane (CH4) gas is 47.4 mL/min. What is the molar mass of the unknown gas?
Hydrogen bromide can be produced by a reaction among bromine, sulfer dioxide, and water as follows.S02 + Br2 +H2O (arrow) 2HBr + H2SO4 If 250 grams of SO2 and 650 grams of Br2 react in the presence of excess water, what mass of HBr will be forme
Principals of Managerial Finance and Fundamentals of Corporate Finance This is your chance to use your imagination! Create your own company and describe it. Then create the financial portion of your organization’s strategic plan.?
Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH4Cl with 100.0 mL of 0.20 M NH3. The Kb for NH3 is 1.8 x 10-5.
Someone investigating the properties of solutions containing carbonate ions prepared a solution containing 5.639g Na2CO3 in a flask of volume 250m
The rate constant for a certain reaction is = 8.60×10-3 . If the initial reactant concentration was 0.850 , what will the concentration be after 13.0 minutes?
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