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What is the pH of a solution resulting from the titration of 50 mL of 0.050 M acetic acid solution, CH3COOH, with 50 mL of 0.050 M NaOH solution? Calculate your answer to two decimal places.
Final exam Thursday so a step by step explanation would be SOOO appreciated. =)
from the length of the magnessium ribbon (4.6 cm) and the mass of a metal of magnessium (0.77 g/m) determine the mass of Mg that reacted.
The answer to formula and calculation, survey of physical chemistry, State all of the assumptions (e.g. ideal gas etc). (previous reaction is 2H??2(g) + O2(g) ----> 2H2O(g))
If the initial surface coverage is 8.9*10^16 molecules/cm^2, how long will it take for one-half of the film to evaporate? b. What fraction of the film is left after 10 s? Assume the same initial coverage as in part a.
What are the concentrations of each of the ions in a saturated solution of PbBr2, given the Ksp of PbBr2 is 2.1 x 10^-6?
A 15.0 L sample of a gas has a mass of 18.0 g at 25.0 ° C and 740. torr. What is the density of the gas at STP?
the electrode half-reactions and calculate the standard potential of the following cell: Cu / Cu2+(aq) // Mn2+(aq),H+(aq) / MnO2(s) / Pt
A 635 mL sample of unknown solution reacts completely with to form 19.1g CO2 . What was the concentration of the solution?
4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2 How many moles of O2 will be produced if 5.86 moles of CO2 react completely?
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D
A solution is made by adding 70.00grams of sodium acetate to 550.0mL of 0.60 mol/L solution of acetic acid. a.What is the pH of the
Mass spectroscopy indicates the molar mass to be about 162 g/mol. What is the molecular formula of the unknown compound?
Chemical Structure and Hydrogen Bonds in Base Pairs, Draw the chemical structure of a correctly base paired G-C pair, then re-draw the pair with a propeller twist these answers should all be on one page following box G.
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