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You will titrate your weak acid unknowns with a solution of NaOH of about 0.10 mol/L. The lowest molecular weight on the list of unknowns is formic acid, MW = 46.03 g/mol. Your titration volume should be between 10mL and 50mL. Explain what are the smallest (first answer box) and largest second answer box masses of formic acid that would give titration volumes within the limits above? Note- two significant figures are required
How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent?
at 25 degc the equilibrium partial pressures for the following reaction were found to be pa 8.00 atm pb 5.40 atm pc
You transfer a sample of a gas at 17*C from a volume of 5.67L and 1.10atm to a container at 37*C that has a pressure of 1.10atm. what is the new volume of the gas?
If 250mL of methane, CH4 effuses through a small hole in 48 s, the time necessary for the same volume of helium to pass through the hole will be?
Compute the final temperature of the solution (assuming no heat lost to the surroundings ) the solution has a specific heat capacity = 4.18 J/°C·
What is the coordination number of each sphere in a three-dimensional, close-packed array of equal-sized spheres
What is the solubility of M(OH)2 in pure water. B. What is the solubility of M(OH)2 in a .202 M solution of M(NO3)2? Ksp=5.45E-18
write seven pages from seven different resources following acs style in the writing about how can you apply pnicogens
describe an incident fire spill explosion etc you have experienced or research one on the internet professional journal
Calculate the change in temperature for 1.30 g of CaCl2 dissolved in 25.0mL of H2O. Assume that the calorimeter absorbs no heat.
When 14.0ml of HCl of unknown concentration (but less than that of the base) are reacted with 15 ml of 3.218M NaOH, 2.01KJ of heat are released. What is the molarity of the HCl solution
For organic chemistry, what is a concerted shift? how do things like acids or heat affect them? what other factors effect them?
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