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If 20.45 ml of the above standardized base is required to neutralize 20.4 mg of an unknown organic acid, what is the molar mass of the carboxylic acid?
Read carefully, 0.1M HCl is added into a mixture of 25mL of water and 25mL of Ca(OH)2. For the end point to be reached 1.3mL of 0.1M HCl is added into the mixture. How would I calculate the molarity of the hydroxide ion (OH-) for this final mixtur..
during the late 1800s hard rock miners replaced candles with carbide lamps for work in mine shafts. the lamps worked by
find the rate of the reaction.c2h4gnbspnbspnbsp o3gnbsp harrnbspc2h4ognbsp nbsp o2ga. the concentration of
Ka for this species is 10-4 and Kb is 10-8. Nonetheless, the Ka and Kb reactions proceed to nearly the same extent when NaHA is dissolved in water.
The rate of the following reaction is 0.120 M/s. What is the relative rate of change of each species in the reaction
What is the molar enthalpy of the reaction. Based on the enthalpies of formation and of the other components in the reaction, what is the enthalpy of formation of sodium hypochlorite
What is the molarity of a solution made by dissolving 1.00 grams of HCl in enough water to make 100. mL of solution
1)What is the percent ionization of HA in 0.11 mol/L HA(aq) if HA is a weak acid with pKa=6.00. Enter your answer accurate to three significant figures.
Draw the structure of the major product(s) formed when 1-hexyne is subjected to ozonolysis, followed by hydrolysis.
Magnesium phosphate precipitates from an aqueous solution. Does the entropy of the system increase or decrease
The half-cell is a chamber in the voltaic cell where one half-cell is the site of an oxidation reaction and the other half-cell is the site of a reduction reaction.
adding a few drops of a strong acid to water will lower the pH appreciably. however, adding the same number of drops to a buffer does not appreciably alter the pH. why
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