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A concetrated sulphuric acid is 97.6% by mass and has density of 1.84g/mL. Calculate the mass of pure sulphuric acid contained in 2.5L.
Problem- Calculate the pH and pOH of a carbonated soft drink that is 0.0035 M carbonic acid solution. Assume that there are no other acidic or basic components.
Prepare (2R,3S)-2,3-dibromobutane (a meso compound) starting from a racemic mixture of (2S,3S)- and (2R,3R)-2,3-dibromobutane
What is the pH of a water that contains 120 mg/L of bicarbonate ion and 15 mg/L of carbonate ion? I'm not sure where to begin with this
Consider the reaction: Mg(s)+Fe2+(aq) -> Mg2+(aq)+Fe(s) at 63 degrees celsius, where [Fe2+] = 3.50M and [Mg2+] = 0.310M. The reaction quotient, Q, for the cell is 8.86x10^-2. The temperature, T, in kelvins is 336K.
question a gas occupying a volume of 847 ml at a pressure of 0.970 atm is allowed to expand at constant temperature
Consider this reaction data, If you were going to graphically determine the activation energy of this reaction, what points would you plot? provide two separate points.
Problem- What is the chemical equation for the above reactants. What are the states of each reactant and product. Are any products insoluble
How many metric tons of 5%-S coal would be needed to yield the H2SO4 required to produce a 2.5-cm rainfall of pH 2.00 over an area of 100 square kilometers?
Using 250 mL of 0.250 M solution of CoCl2 and distilled water, how would you prepare 100 mL of 0.005M solution of CoCl2. What absorbance would you expect the solution to have
An aqueous antifreeze solution is 35.0% ethylene glycol (C2H6O2) by mass.
In a study of alcohol dehydrogenase on alcohol at25.0 degrees Celcius, the concentration of ethanol in a first order reaction decreases from 15.0mmol/L to 5-0mmol/L in 2.5*10^4s. What is the rate constant for the reaction at 25.0 degrees C
An aqueous solution i s10.0% glucose by mass and has a density of 1.039g/ml at 20 degree Celsius. Calculate the freezing point and the normal boiling point of this solution
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