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Laundry bleach is a solution of hypochlorus acid (HClO). To determine the HClO content of bleach, an aqueous sulfide salt is added to the bleach solution. The balanced equation for the reaction is: HClO(aq) + S2-(aq) --> Cl-(aq) + OH-(aq) + S(s) The resulting chloride is then precipitated as AgCl. When 25.0 mL of laundry bleach (d = 1.02 g/mL) is treated as described above, 3.49 g of AgCl are obtained. What is the mass % of HClO in the bleach.
Write all of the resonance structures for o-bromonitrobenzene. Draw a structure for the octahedral complex from the reaction of p-chlorobenzohydroxamic acid with ferric chloride.
write a general equation that illustrates all acid-base reactions. using equation, what factor can be varied to observe their effect on HEAT
A buffer solution is prepared by adding 32.8 grams of sodium acetate, NaC2H3O2 to 1.00 L of 0.500 M acetic acid, CH3CO2H. Ka = 1.8 x 10-5 for acetic acid.
carboxylic acids react with alcohols to form esters which are found in all plants and animals. what is the percent by mass of carbon in each of the following esters?
Air is 21 mole percent oxygen, that is, 0.21 atm oxygen at 1 atm. Suppose the pH of the water is 5.85 and that the concentration of iron(II) in the water is 8.97x 10-5 M, what is the potential of the corrosion reaction under the above conditions a..
In which of the following species is the octet rule violated by the central atom when the central atom has a formal charge of zero?
a 13.6 sample of nh4no3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 c. what
A molecular compound contains 92.3% carbon and 7.7% hydrogen by weight. If 0.152 mol of the compound weighs 3.95 g, what is its molecular formula?
The following reaction is second order in [A] and the rate of constant is 0.039 M-1s-1; A yields B; The concent. of A was 0.30 M at 23 s. The initial concent. of A was ___M
This leaves the aspartic acid amine group and the side chain carboxylic acid functional group of aspartic acid. Therefore aspartame will have an isoelectric point at a pH between the pKa values of these functional groups
on a recent autumn day the consentration of carbon monoxide in the air in downtown denver co. reached 3.0 x 10 2 ppmv.
What specific properties are mentioned in the organization of the real periodic table? How do they relate to the current model (pages 192 - 193)?
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