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Calculate the mass percent of CaCO3 in a Tums tablet if you add 1.50 g of powdered Tms to 60.0 ml of 0.500 M HCl to your flask. You then titrate the remaining HCl with 22.3 ml of 0.600 M NaOH
Concentrated aqueous HClO4 has a concentration of 14.8 M. Calculate the concentrations of all ions present in a solution prepared by pipetting 3.12 mL of concentrated HClO4 into a 1000. mL volumetric flask and filling to the mark.
Draw the phase diagram for acetic acid given the following information triple point at 289.7K and 1.29kPa: critical temperature = 590.7 K; critical pressure = 5.78MPa and freezing point is 289.8 K at 0.1 MPa.
MnSO4 is converted to MnO2 in a basic medium as oxygen gas is converted to hyroxide ion. In this case, is the sulfate ion a spectator ion. (NaOH is also present. Is sodium ion also a spectator ion) A. Print the oxidation half-equation B
Bromocresol green, Ka = 2.0x10^-5, is yellow in its protonated form (HX) and blue in its ionized form (X^-). At what pH will bromocresol green be a perfect green color
What is the partial pressure of chlorine gas once equilibrium has been established?
A mass of 8.9*103kg is placed on a 0.55 L cylinder with area 0.36 m2that contains 0.021 mol of an ideal gas. Determine the final pressure (bar) and temperature of the gas after it has been irreversibly compressed if the final volume is 0.22 L.
if the methane contained in 3.00 of a saturated solution at 25 was extracted and placed under stp conditions what
Redraw S-2-chloropentane and draw the mechanism as if it was SN1, showing how chirality is lost with the carbocation intermediate.
Determine the number of representative particles in each substance.
Compute the energy of the Compton edge as well as the first escape peak in the gamma-ray spectrum of a 2.13 MeV gamma-ray
A chemist must prepare 0.9 L of sodium hydroxide solution with a pH of 13.40 at 25 C. He will do this in three steps: Fill a 0.9 L volumetric flask about halfway with distilled water.
How many mls of 12M Acetic Acid must be added to 500 ml of 0.5M Sodium acetate to prepare a buffer of pH 4.76 (pKa of Acetic Acid is 4.76).
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