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Compute the expected pH when 0.5mL of 0.1 M HCL is added to 30.0mL pure water. Do the same computation when the same amount of HCL is added to 30.0mL of your original .05M buffer. Compare the compute pH to the actual measured pH.
My buffer solution pH=4.36.
2. If you have 50mL of .05M potassium phosphate buffer pH 7.0 and you added 2.0mL of 0.1M HCL define what would the final pH be? Explain what would the pH be if 2.0mL of 0.1M NaOH was added to the same amount of the original buffer?
Compute the thermal-equilibrium values of hole and electron concentrations while Considering a homogeneous gallium arsenide semiconductor at the given temperature of T = 300 K with Nd = 1016 cm-3 and Na = 0?
The emerging gas is collected in a 5.00L flask and is found to contain 8.62g of carbon monoxide, 2.60g of hydrogen gas, 43.0g of methane, and 48.4g of water vapor. Assuming that equilibrium has been reached, calculate Kc and Kp for the reaction.
If you dilute 28.0 of the stock solution to a final volume of 0.540 , what will be the concentration of the diluted solution?
A gas is confined to a cylinder under constant atmospheric pressure. When 419 J of heat is added to the gas, it expands and does 103 J of work on the surroundings. What is the value of delta H for this process? And what is the value of delta E for..
a sample of cacl2 of 10.8-g is dissolved in 101 gramsnbsp of h2o with both substances atnbsp the temperature 25.0
The CNOG ion is very unstable and is the reason why the mercuric compound is explosive. On the other hand, mercury cyanate, Hg(NCO)2, is not explosive. The cyanate ion (NCOG) is a stable ion. Use resonance structures and electronegativities to exp..
Determine how much dolomitic lime(is an anhydrous carbonate mineral composed of calcium magnesium carbonate CaMg(CO 3 ) 2 ) is required to apply to raise the pH to 7.0?
Will nitric acid digest and contaminate a sample with additional carbon if it is filtered with a cellulose filter paper?
the temperature of the tire increases to 40.0 ?C). What is the tire pressure in psi assuming no change in volume for the tire? (1 atm = 14.70 psi).
ammonia nh3 with kb 1.8 x 1005 is added to 100 ml of waterat room temperature and the vapor pressure of water above
What are some of the general properties that distinguish metals
Electrolysis of molten NaCl in a Downs cell is the major isolation step in the production of sodium metal. Suppose 246 g of Na metal is formed.
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