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The pH for a 2.6 mol/L propanoic acid solution was 2.24. What is the Ka of propanoic acid, given that propanoic acid is a monoprotic weak acid and does not dissociate readily?
The Ksp for magnesium fluoride is 3.7 x 10-8. The equilibrium is: MgF2(s) ? Mg2+ + 2F-. Calculate the solubility of magnesium fluoride in mol/L.
calculate the pH you would expect to measure if 15.0mL of 0.5M acetic acid were mixed with 25.0mL of 0.5M sodium acetate
Identify each of the following molecules as polar or nonpolar: a) H2S; b) PBr3; c) SiCl4; d) SO2.
Suppose you have 0.3562g of Na2C2O4 and is dissolved in 250 mL volumetric flask. If 10 mL of this solution requires 48.36 mL of KMnO4 solution for titration, what is the molarity of the permanganate solution.
Why do acid- and base-catalyzed elimination reactions often result in a mixture of products? Be specific. Hint - there is more than one reason.
A balloon ?lled with helium gas has a volume of 434 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm.
Consider the titration of 52.0 mL of 1.2 M NaOH with 1.0 M HCl. Find the pH at all the following points. At the equivalence point.
a pencil 7.5 inches long.if there are 2.54cm in an inch,how long is this pencil in decimeters?10dm=1m
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H2C2O4 and H2O in the balanced reaction
Hydrogen atoms that are bonded to an sp3 hybridized carbon atom normally appear between 0.9 - 1.8 ppm and are said to be shielded. What would cause the hydrogen atoms bonded to an sp3 hybridized carbon atom to be deshielded and appear downfield
Calculate the mass of a single particle of Na2CO3 and the number of particles of Na2CO3 in the mixture. Do the same for K2CO3.
What is the maximum amount, in kg, of ethanol that can be produced when 2.62 kg of ethylene (C2H4) and 0.0684 kg of steam are placed into the reaction vessel
If 25 g of methanol (CH4O) are dissolved in 147mL of solution, what is the molarity of the solution
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