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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 10 mL and 50 mL. 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)
Assume that a pure molecule has a specific rotation of -20 degree. An impure sample of both enantiomers gave a rotation of -4 degree. What is the ratio of (-) molecules to (+) molecules in the latter sample. Details for explanation please! thanks ..
If 29.10 mL of a 0.145 M nitric acid is required to neutralize 50.00 mL of barium hydroxide solution, what is the molar concentration of the base?
what is the weight of O in 742.0 g of citronella oil that has the chemical formula C10H18O
what is the maximum number of grams you could obtain if you recrystallize 28 g of cholesterol from 100 mL of methanol
What is the main component of the first eluting peak and what percentage of the total absorbance at 300nm is due to this component?(assuming the light path- length = 1.0 cm)
For organic chemistry, what is a concerted shift? how do things like acids or heat affect them? what other factors effect them?
What would happen if you increase the pH of this acidic solution by addition of a strong base such as KOH? b.) Write the balanced equation for the reaction (a.) and identify both the stronger acid and base and the weaker acid and base.
In which of the compounds CH4, NH3,H2O, SiH4, or H2S does hydrogen bear a partial negative charge
Order of reactivity, Suggest an explanation for the fact that the order of reactivity of the halides toward n-butylbrosylate in acetone
How much water must be added to 488 mL of 0.223 M HCl to produce a 0.134 M solution?
Calculate the number of milliliters of stomach acid neutralized by 1 tablespoon of milk of magnesia (1 tablespoon = 3 teaspoons).
If a vessel containing NO2 has an initial concentration of 2.8 x 10-2 mol/L, how long will it take for 75 of the NO2 to decompose? The decomposition of NO2 is second order in the reactant and the rate constant is 1.1 L/mol x s.
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