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Compute alkalinity in molar equivalents per kg (liter) of one mole of NaCl dissolved in 100 liters. Dissolved in CO2 free distilled water
A solution is made witmlh 20.2ml of CH3OH ( density= 0.782g/ml), dissolved in 100.ml of water (density = 1.00 g/ml). Calculate the concentration in the units of:
The solubility of CaF2 is 0.00021 mole per liter. What is the solubility product constant for CaF2?
How many grams of CS2 can be prepared by heating 12.8 moles of S2 with excess carbon in a 6.60L reaction vessel held at 900K until equilibrium is attained
Calculate the pH of a 1.00 L solution which is made up of 0.046 mol acetic acid and 0.026 mol sodium acetate.
Describe, with equations, how a solution of sodium cyanide, NaCN, with hydrogen cyanide, HCN, functions as a buffer
28.98 mL of a 0.1962 mol/L EDTA solution is required to titrate a sample to the equivalence point. How many moles of divalent metal cations were in your sample?
The following reaction is first order, C2H6---> 2CH3. If the rate constant is equal to 5.5x10^-4s^-1 at 1000K, how long will it take for 0.35 mol of C2H6 in a 1.00 L container to decrease to 0.20 mol in the same container
aqueous salicylic acid with 0.020 M KOH(aq), calculate the addition of 30.0 mL of KOH(aq)? For salicylic acid, pKa=2.97
What is the mg antibiotic dose that must be administered to Sam. If the Sam antibiotic is available is liquid solution form of 65.0 mg antibiotic per mL, how many mL of this antibiotic solution must be administered to Sam? Report to tenths of mL.
The following equilibrium concentrations were measured at 800 K:[SO2]=3.0*10^-3M; [O2]=3.5*10^-3M; [SO3]=5.0*10^-2M. Calculate the equilibrium constant at 800K for each of the following reactions.
Physical propoerties and intermolecular forces, What type of intermolecular forces accounts for the following differences in each case?
If an unknown acid was imcompletely extracted from the ether solution into the aqueous layer in this experiment, would the experimentally measured melting point value of benzophenone be affected? Why or why not
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