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What volume of 2.811 M oxalic acid solution is needed to react to the equivalence point with a 5.090 g sample of material that is 92.10% NaOH
It decomposes into its elements. Write the balanced equation for this reaction. If 71.8 g of Hgo is decomposed, calculate the volume of oxygen at STP
Pressure in a manometer, A manometer consists of a U-shaped tube containing a liquid. One side is connected to the apparatus and the other is open to the atmosphere
A sample of 0.0020 mole of HCl is dissolved in water to make a 1500. mL solution. Calculate the molarity of the HCl solution, the [H3O+], and the pH. For a strong acid such as HCI,.
Draw the enantiomer of proline which would give rise to the absolute stereochemistry and draw a proposed catalytic cycle for the transformation and how does the catalyst activate the substrate
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached
The protons that give rise to the signal at 7 ppm are more shielded than the protons that give rise to the signal at 9 ppm. B) The protons that give rise to the signal at 7 ppm are less shielded than the protons that give rise to the signal at 9 p..
what are the pH and the change in pH after the addition of 0.054 mol hydrochloric acid to the buffer solution?
Calculate the pH of this buffer solution after the addition of 0.010 moles of solid sodium hydroxide to the buffer
Hydrogen phosphate buffer, Buffer solutions have the unique ability to resist changes in PH when an acid or base is added to them. One important buffer system that helps to maintain blood pH at a constant value of 7.4 is the hydrogen phosphate buf..
A .500M solution of a weak acid, HX, is only partially ionized. The [H+] was found to be 3.69x10^-3M. Find the dissociation constant for this acid.
A vitamin C capsule is analyzed by tirating with 0.3M NaOH. It is found that 24.4 ml of base is required to react with a capsule weighing 0.55g.
A close chemical relative of the banned insecticide DDT is methoxychlor (C16H15Cl3O2). Methoxychlor is currently used as a home insecticide. Calculate the mass percent of oxygen in methoxychlor.
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