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I added 0.25 g of an Unknown Sample + 0.05 g of Dextrin + 5 drops of indicator. How do I find the volume of that solution so I can find the concentration of Cl after titration?
solution containing 1.00 g of barium nitrate (199.33g/mol) is combined with 500 mL of a solution containing 1.00 g of sodium sulfate (142.03 g/mol)
Draw a fully labeled M.O. diagram for carbon monoxide. Be sure to show the atomic orbitals that come together to form the molecular orbitals, and give the orbital type designations. You may disregard core electrons (1s electrons from the atoms).
Why is the peroxide anion such a strong oxidizing agent and describe qualitatively how the conclusions of Bohr and Rydberg are essentially the same?
A 0.221 g pellet of potassium hydroxide,KOH, is added to 52.2 g water in a Styrofoam coffee cup. The water temperature rises from 23.5 to 24.4 °C.
What is the concentration of the solution as a mass percentage?
C4H10(g) + O2(g) CO2(g) + H2O(g) Consider the above unbalanced equation. What volume of O2 at 555 mm Hg and 56.0°C is required to produce 285 mL of CO2 at 780. mm Hg and 131°C?
Assume equilibrium with the calcium carbonate in the sediment and calculate the concentration of calcium ion
A chemist wants to make 4.5L of a 0.340M CaCl2 solution.What mass of CaCl2 (in g ) should the chemist use?
Explain what health risks may arise people use this hot water in the preparation and cooking and what is the equilibrium constant for this reaction
A weather balloon at Earth's surface has a volume of 3.9 L at 275 K and 775 mm Hg. if the balloon is released volume reaches 4.2 L at 711 mm Hg what is the temperature.
write a complete and balanced molecular equation and identify the precipitate that forms when aqueous solutions NaOH and Cu(NO3)2 are mixed and identify all phases.
consider the following mixtures. in each case either calculate the pH if the resulting solution is a buffer solution or state why the solution does
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