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Calculate the pH of a solution prepared by dissolving 18.32 grams of benzoic acid and 43.23 grams of sodium benzoate in water sufficient to yield 1.00 L of solution. (The Ka of benzoic acid is 6.30 × 10-5, the molar mass of benzoic acid is 122.12 g/mol, and the molar mass of sodium benzoate is 144.10 g/mol.
Wriite an equation for a substitution reaction between 2-bromopropane and potassium iodide. In this case, do not include the state
The combustion of 135mg of a hydrocarbon produces 440mg of CO2 and 135mg of of H2O. The molar mass of the hydrocarbon is 270 g/mol. Determine the molecular formula of this compound ?
A 25.688 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia.
when a gold nugget with a mass of 521 g is added to 50.0 ml of water the water level rises to 77 ml what is the density of gold
Preparation of and alpha, beta-unsaturated ketone via Michael and Aldol Condensation: 6-ethoxycarbonyl-3,5-diphenyl-2-cyclohexanone.
Two 20.0-g ice cubes at -18.0 °C are placed into 295 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
Your Discussion should address at least the following points: 1. What is the structure of each isomer? 2. Which ligands are observed in the IR spectra of the four complexes which you have prepared? What are the symmetries of the ligands in each co..
If Qp = 1.2 1020 and PO2 = 0.318 and PN2 0.812, what is the partial pressure of NO?
Assume that the octet rule is followed for the N atom when you draw your structure(s). Pick the correct statement from the choices below.
Which group contains elements most likely to form covalently-bonded molecules?
when carbon is burned in the presence of oxygen, the carbon and oxygen combine to produce carbon dioxide. if you start with 3 grams of carbon and 8 grams of oxygen and they react completely, how many grams of carbon dioxide will be produced?
mixture of 2-amino-propanoic has a specific rotatio of -5.6. What is the percent composition of the mixture of the specific rotation for the S enantiomer is +14.5
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