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A titration of 50 mL of an unknown concentration of H2SO4 required 46.26mL of 0.1125 M NaOH. What is the molarity of the H2SO4 solution
It is desired that the extent of disruption be >= 0.9. Plot how the number of passes varies with operating pressure over the pressure range of 50-125 MPa. What pressure range would you probably want to operate in
if equal masses of N2 and H2 (7.00 grams each) are combined to produce ammonia NH3, how many grams of ammonia could be produced at maximum yield?
A gas sample containing 0.3525 moles of a compound is trapped in a 2.641 liter vessel on a manifold at a temperature of 28.4 oC. What is the pressure in the vessel,
Chloroform has a molar mass of 119.4 g/mol and a density of 1.499 g/cm^3. Estimate the volume of the above mixture using this information.
Calculate the freezing point of a solution that contains 8.5g of benzoic acid (C6H5COOH, MW=122) in 75g of benzene, C6H6.
Calculate the final temperature when a 16.4 gram sample of ice at 0oC is placed into a styrofoam cup containing 126 grams of water at 72.7 oC. Assume that there is no loss or gain of heat from the surroundings.
What is the pH of a 0.15 M solution of the weak base ammonia (NH3). The Ka of the conjugate acid is (NH4) is 5.6e-10.
What is the molarity of a NaOH solution if 28.2 mL of a 0.112 M H2SO4 solution is required to neutralize a 25.0-mL sample of the NaOH solution?
One of the students in lab decided to use two fractionating columns (one on top of the other) instead of just one. How would this a) affect the separation between hexane and heptane?
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.120 M HClO(aq) with 0.120 M KOH(aq). The ionization constant for HClO is 4.0×10-8
What is the potential of an electrode consisting of zinc metal in a solution in which the zinc ion concentration
A mole of sodium hydroxide has a mass of 40 g. In order to prepare a .1M solution, how many grams of sodium hydroxide must be added to 500 mL of water
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