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Problem- Consider the titration of a 25.0 mL sample of 0.110M HC2H3O2 with 0.120 M NaOH. Determine each of the following. the pH after adding 6.00mL of base beyond the equivalence point
I want you to clarify the chemistry in this above problem.
The concentration of Pb2+ in a solution saturated with PbBr2(s) is 2.14x10^-2 M. Calculate Ksp for PbBr2.
A 0.484g sample of impure NH4Br is treated with 25.00mL of 0.2050 M NaOH and heated to drive off the NH3. The unreacted NaOH in the reaction mixture after heating required 9.95mL of 0.0525 M H2C2O4 to neutralize.
Show the reaction mechanism when 2-methyl-2-butanol, sulfuric acid(H2SO4), and water are in a mixture
Problem- What is the chemical equation for the above reactants. What are the states of each reactant and product. Are any products insoluble
a solid substance a is soluble in water to the extent of 10 mgml of water at 25 degrees c and 100 mgml of water at 100
1.75 pounds of pasta dough with a density of about .84g/cm^3 how many feet of 2" wide, 1/32" thick lasagna noodles can be made
Explain what is the three products o vanillin, which one is the strongest. Define by using the characteristics of the other substituent group to support answer, also include a skeletal structure and IUPAC name for this product.
calculate the osmotic pressure in torr of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions.
After you determine the concentration of the unknown stock solution, you will need to use the density to calculate the % mass of thymol
Calculate the enthalpy change per mole of boron consumed in the reaction:4B(s) + 3O2(g)---->2B2O3(s)If more than one value is given, use the CODATA Review value.
The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray
what is green chemistry. how does it relate to heating A mixture of sodium carbonate and sodium bicarbonate (lab)
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