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What volume (in milliliters) of 0.100 M NaOH should be added to a 0.120 L solution of 0.024 M glycine hydrochloride (pKa1 = 2.350, pKa2 = 9.778) to adjust the pH to 2.30?
Assuming that N2 obeys the Van der Waal's equation, determine the Boyle temperature of 1 mol of N2 and determine the percent error in the answer knowing that the experimental value of the Boyle temperature
what species( ions/molecules)are present at the halfway point in the titration tword the stoichometric point in a.
Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution contatining 0.070 lysine HL 0.055 mol aspartic acid H2A and 0.0080 mol NaOH.
What mass of potassium bromide residue remains if 500.0 mL of 0.200 M potassium bromide solution are evaporated to dryness.
At standard temperature, a gas has a volume of 371 mL. The temperature is then increased to 131C, and the pressure is held constant. What is the new volume?
Calculate the equivalent weight of the unknown weak acid (g/eq). Calculate the molecular weight of the acid described in Question 1 (g/mol).
what is the molar mass of gas if 0.250 g of the gas occupies 215 mL at 61 8mmHg and 30. 0C
In the Olympics and other major athletic competitions, a GC-MS is used to screen athletes for their use of banned substances such as steroids.
Calculate the amount of heat required to completely sublime 61.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 {kJ}/{mol}.
Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. What is the molar concentration of these ions in water at 25oC.
An auto mechanic spills 90. mL of 2.6 M H2SO4 solution from a rebuilt auto battery. How many milliliters of 2.5 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid
Calculate the pH for the following case in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka
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