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How many grams of sodium nitrite should be added to 300. mL of 0.0680 M of nitrous acid to produce a buffer solution with a pH of 3.30?
what volume of 0.100 M NaOH is required to precipitate all of the nickel (ll) ions from 150.0 mL of a 0.162 M solution of Ni(NO3)2
The reactant concentration in a zero-order reaction was 0.100 M after 130 s and 2.50×10^-2 M after 325s . The rate constant for this reaction is 3.85x10^-4 M/s. What was the initial reactant concentration for the reaction described in Part A
Why is The dehydration of cyclohexanol to cyclohexene a traditional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene ?
What happens to the pattern if we try to determine which slit the electron goes through by using a laser placed directly behind the slits
a 3.60 l cabr2 solution of unknown concentration is added to 1.40l of 0.435 m kbr solution. the br- of the resulting
Need to make an aqueous solution of 0.233 M potassium iodide for an experiment in lab, using a 250 mL volumetric flask. How much solid potassium iodide should you add?
an isotope of the element thallium tl-206 undergoes beta decay with a half life of 3.1 minutes. assume you begin with
What observed rotation is expected when a 1.62 M solution of (R)-2-butanol is mixed with an equal volume of a 0.810 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long
Sodium carbonate ( Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 5.04×103 kg of sulfuric acid solution?
when oxygen is in use in hospital room,no smoking signs are usually posted prominently. Explain.
calculate the concentration of Hg2 +2 in a saturated aqueous solution of (Hg2)3[Co(CN)6]2 which dissociates into mercurous ion and Co(CN)6 -3 (cobalticyanide).
Consider a two dimensional potential box (where V= 0 if x is between 0 and a and if y is between 0 and b). Show one example that the energy is degernerated
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