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Suppose that while titrating a vinegar sample with standard NaOH you misread the buret and the calculated NaOH volume is greater than the actual volume used. How will this error influnence the final calculated percentage of acetic acid in the vinegar?
The rate constant for the second order reaction 2NO2 ???&??; N2O4 is 2.79 L/mol •min at 48 oC. If the initial concentration of NO2 is 1.05 M , what is the half-life
What is the molality of a solution in which 15g of I2 is dissolved in 500g of alcohol?
Please explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M Na3PO4 .1 M NiF2 .2 M Rb2CO3 0.01 M Sr(OH)2 and .03 M ScBr3.
During alcoholic fermentation, pyruvate is decarboxylated to yield ethanol and CO2. Which carbons of glucose must be labeled with 14C to yield 14CO2
What is the pH of a buffer prepared by adding 0.506 mol of the weak acid HA to 0.507 mol of NaA in 2.00L of solution? The dissociation constant Ka of Ha is 5.66 x 10^-7.
methanol a potential replacement for gasoline can be made from h2 and co by reactions co 2h2 - ch3oh. how will this
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted. If 0.260 moles of a monoprotic weak acid
Write the balanced chemical equations to show the ionization reactions that occur when oxalic acid is in aqueous solution. I believe i would be starting with C2H2O4 + H2O----?
solving this question helps the student to understand how to find the limiting reactant alternate method and how to
Explain why the addition of a small amount of base to an acidic buffer solution causes only a small change in the pH of the buffer solution.
PbO + NaCl + H2O ---> Pb(OH)Cl + NaOH How many grams of PbO and how many grams of NaCl would be required to produce 10.0g of Pb(OH)Cl? a) Mass of PbO required = ? b) Mass of NaCl required = ?
A 515- sample of unknown solution reacts completely with to form 20.1 . What was the concentration of the solution?
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