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The ka for an acid is 1.8x10^-4. A 140 ml sample containing 0.5M formic acid is titrated with 0.5M of NaOHCompute the ph at:a) Half-way pointb) Equivalence pointc) 10.00mL past the equivalence point
Suppose 8.26 g of solid Mg(OH)2 is added to 36.1 mL of 0.488 M H2SO4 solution. What will the concentration of Mg2+ be when all of the acid has been neutralized. How many grams of Mg(OH)2 will not have dissolved.
Draw the skeletal structure of the product if the following alcohol were treated with HF in pyridine. Atoms other than carbon and hydrogen are labeled
a -gt b 2c this is the elementary gas-phase reaction that is carried out isothermally in a flow reactor without any
Imagine an additional pressure of Cl2(g) = 0.40 atm is then added to the flask. Find the partial pressure of CO in the flask when the system re-establishes equilibrium.
how much heat is absorbed when 63.7g h2o at 100 c and 101.3 kpa is converted to steam at 100 c.
question what is the ph of a buffer solution prepared by mixing 10.0 ml of 0.15 m ammonia and 15.0 ml of 0.20 m
A voltaic cell consists of a half-cell and a half-cell at 25 . The initial concentrations of and are 5.10×10-2 and 1.40 , respectively.
in a calorimeter 10.0 g of ice melts at 0oc. the enthalpy of fusion of the ice is 334 jg. how much heat was
consider the following observations taken on successive cloudless autumn mornings. on the first day a considerable
What product or products would you expect to obtain by the addition of bromine to cis-cinnamic acid, assuming that it reacts by the same mechanism as the trans acid
Hydrogen displays an emission line in the infrared region of the spectrum at 1875.6 nm. Determine the values of n for the two energy levels that are responsible for this emission.
a student reported the follow ing percentages for his unknown mixture 25nh4cl 30 nacl and 50 sio2. assuming that the
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