What is the ph of a solution
What is the pH of a solution obtained by dissolving two extra-strength aspirin tablets, containing 410 mg of acetylsalicylic acid each, in 260 mL of water? Ka= 3.3*10^-4
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If 101 g of CaO and 261 g of NH4Cl are mixed, what is the maximum possible yield of NH3?What mass of the excess reactant remains after the maximum amount of ammonia has been formed?
If 5.02 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
Describe how some alcohols can interfere with an iodoform test for methyl ketones.
At a pressure of 1.00 atm and a temperature of 20 degrees celcius, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is raised to 1.35 atm and the temperature stays the same?
Steam at a pressure of P = 10 MPa, and temperature of T = 600 C is supplied at a rate of 100 kg/s. What is the velocity of the steam if the pipe carrying it has a diameter of 1 m?
The combustion of one mole of propane, C3H8 (Molar mass 44 g mol-1) releases 2230 kJ. How much heat is released by 6.60 g of propane?
If 3.60 mL of vinegar needs 45.0 mL of 0.135 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.50 qt sample of this vinegar?
Which of the following is true for a system whose equilibrium constant is relatively small?
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