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A 0.100L sample of a solution containing an unknown concentration of sodium hydroxide requires 22.7 ml of 1.00 M sulfuric acid to completely neutralize. What is the concentration of the sodium hydroxide solution?
What quantity of heat would be evolved if 75.00g of mercury (Hg=200.59), (O=16.00) was burned in oxygen?
A solution is made by mixing 15.5 g of NaOH and 73.0 mL of 0.150 M HNO3. Calculate the concentration of OH- ion remaining in solution.
Acid halides and Acid anhydrides can also be used to make esters - show how ethyl ethanoate can be made from a) and acid halide and b) an acid anhydride
calculate the standard emf of a cell that uses the mgmg2 and cucu2 half-cell reactions at 25 degrees celsius. write the
A student who suspected he had a carbonyl compound for an unknown dissolved his solid unknown compound in acetone and the solution was analyzed by IR
two thermometers a and b are wrapped in pieces of gauze. the gauze around thermometer a is moistened with water and the
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA-, A2-) at pH 8.44
Which one of the following does not react with aqueous sodium hydroxide?
What is the composition in mole fractions of a solution of benzene and toluene that has a vapor pressure of 35 torr at 20 °C? Assume the mixture forms an ideal solution.
Why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical compounds?
What are the relative populations of these levels at the boiling if the degeneracy level is 2j+ 1? Is the ground state most highly populated level?
The solubility product constant for Cu(IO3)2 is 1.44 x 10-7. What volume of 0.0520 M S2O32- would be required to titrate a 20.00 mL sample of a saturated solution of Cu(IO3)2?
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