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if 3.80 mL of vinegar needs 45.0 mL of 0.140 M NaOH to reach equivalence point in a titration, how many grams of acetic acid are in a 1.60 qt sample of this vinegar?CH3COOH(aq)+NaOH(aq)->H2O(l)+NaC2H3O2(aq)
A student prepares a buffer by dissolving solid sodium acetate, NaCH3COO, in a solution of acetic acid, CH3COOH. Write the net ionic equation for the buffer system.
explain in detail why there are exactly 14 elements shown in the Lanthanide series of the periodic table.
A balloon filled with helium gas has a volume of 741 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km,where the pressure is 0.5 atm.
What is the maximum amount of O2 in grams that can be obtained from 2.00 x 102 g of nitroglycerin?
sample of a gas at 25.0 oC and at a pressure of 3 atm, what will the pressure be if the temperature is raised to 50.0 oC?
A 25.0 mL bubble is realeased from a diver's air tank at a pressure of 4.00 atm and a temperature of 11 C. what is the volume of the bubble when it reaches the ocean surface where the pressure is 1.00 atm and the temperature is 18 C?
Considering the molecule HOOH. What happens to the overlap in the σ bond between the 2 O atoms as one hydroxyl group is rotated in a clockwise relative to the other hydroxyl group?
The feldspar sanidine KSi3AlO8 is found in quickly cooled volcanic (extrusive) rocks whereas microcline is found in slowly cooled intrusive rocks such as granites
the one in this module was performed to determine the solubility and the solubility product constant of Gallic acid
How many moles of CO(NH2)2 are present in 145 g of water, if the freezing point of the solu- tion is -4.02?C? kf (water) = 1.86 K · kg/mol.
To 333 milliliters of a 0.120 molar Pb(NO3)2 solution, 0.667 milliliteres of 0.435 molar KIO3 is added. Calculate the concentrations of Pb+2 and IO3- in the solution at equilibrium.
Propane is often used for gas grills and is typically purchased by filling a propane tank with 20 pounds of propane. What is the enthalpy change when 18 pound of propane is burned?
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