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A 50.00 mL sample of white wine required 21.48 mL of 0.03776 M NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of tartaric acid (CH2C4H4O6) 150.09 g/mol per 100 mL.
Completely neutralizes stomach acid (HCl, .10M) How much carbon dioxide is made at STP conditions (37C, 767 torr, 100% humid) by ingesting one 1.834 gram tablet
calculate the concentrations of all species in a .890 m sodium sulfite solution. the ionization constants for sulfurous acid are ka1= 1.4x10^-2 and ka2=6.3x10^-8
How many cells are on the plate. What fraction of the cell surface is occupied by receptors versus normal phospholipids
The standard enthalpy of atomization of an element is the energy necessary to convert one mole of an element in its stable form at 25 degree Celsius to one mole of monoatomic gas.
What will happen to the H2O when equilibrium is reestablished after the following stresses are applied. a. temperature is applied
What is the percent-yield of H2 in the reaction below when an equimolar mixture of CH4 and CO2 with an initial total pressure of 20.0 atm reaches equilibrium at 1200. K, at which Kp = 3.548 x 106?
Determine the number of moles of CO2 that could be produced from the combustion of 0.00993 moles of Benzene
The initial concentrations of Pb2+ and Cu2+ are 5.20×10-2 M and 1.60 M, respectively. What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.370 V
Some people have argued that rocket engines will not work because the gaseous products of said engine, pushing against a vacuum of space, do not perform any work, therefore the engine will not propel anything.
Describe clearly why a single indicator solution in only useful for measuring pH over a rather narrow range. Use a specific indicator of solution
Calculate the ppm salt (NaCl) in a 50.00 mL sample of an unknown brine titrated with 37.64 mL of 0.1024 M silver nitrate solution.
Why do lithium and sodium exhibit similar chemical behavior? What is the stadard potential of 1/2 O2 My table says 1.229
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