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Given pKa of dichloroacetic acid and trichloroacetic acid are 1.3 and .6. How many moles of trichloroacetic acid will be formed starting with 1.0 mole of dichloroacetic acid and 0.50 mole of the conjugate base of trichloroacetic acid in 1.0 liter of solution?
You wish to prepare 0.13 M HNO3 from a stock solution of nitric acid that is 13.1 M. How many milliliters of the stock solution do you require to make up 1.00 L of 0.13 M HNO3?
What weight of A would be removed by four successive extractions with 25ml portions of ligroin? How much ligroin would be required to remove 98.5% of A in a single extraction
Discuss the chemical interactions of the material(s) involved in this incident or hazardous properties relevant to the incident; Discuss the mitigation required or implemented.
The NAA used here was purchased from ACME Laboratories as a 10 mg/ml solution. How many grams of NAA are in 100 ml of a 2mg/liter solution
Calculate the net work done on the surroundings by these three irreversible expansions. Compare this value with the amount of work that would be done in a reversible isothermal expansion from 50.0 to 0.500 bar at 25.0 degrees.
Calculate the value of the rate constant. Pick the choice from below which gives the correct reaction order and value of the rate constant for this reaction.
When 85.00 mL of 0.250 M Ca(OH)2 (aq) and 15.00 mL of 0.750 M Pb(NO3) (aq) are mixed together in a beaker a yellow precipitate is formed. Assume all heavy metal hydroxides are insoluable
A toothpaste contains 0.24 by mass sodium fluoride used to prevent dental caries and 0.30 by mass triclosan , a preservative and antigingivitis agent. One tube contains 125 toothpaste.
draw a dot and cross diagram to show the bonding in ch2f2. your diagram only needs to show the outer shell
At STP, 50.0 mL of a gas weighs 0.301g and is found to be 47.4% sulfur and 52.6% chlorine. What is the molecular formula of the gas
Identify each of the following as a homogeneous or heterogeneous equilibrium: a)CO(g)+H2(g) C(s)+H2O(g). b)NH4Cl(s) NH3(g)+HCl(g). c)CS2(g)+4H2(g) CH4(g)+2H2S(g). d)Br2(g)+Cl2(g) 2BrCl(g).
What is the change in chemical potential of any pure liquid when it vaporizes at its normal boiling point
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