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Problem- Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.230 M HClO(aq) with 0.230 M KOH(aq).
(a) before addition of any KOH (b) after addition of 25.0 mL of KOH (c) after addition of 40.0 mL of KOH (d) after addition of 50.0 mL of KOH (e) after addition of 60.0 mL of KOH
Anyone can tell me how to solve it step by step so that I will be able to understand what is going on?
If 115 of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?
Arrange the following atoms in order of decreasing atomic radius. Rank from largest to smallest. To rank items as equivalent, overlap them. Ge, Si, I, O
An emerald gemstone is an impure form of the mineral beryl, Be3Al2Si16O18. What is the percentage of silicon in the mineral
By plotting these data in a suitable fashion, determine whether the Clausium-Clapeyron equation is accurate. If so, use your plot to determine ΔHvap for C6F6.
In an endothermic reaction, in going from the reactants to the products at the same temperature, the value of q is negative.
volume of a piece of galena is 4.7 cm3. determine the mass of that piece of galena if the density of galena is 7.5 gcm3
Show that the ammonium ion NH4+, 1ppb(mole fraction) is equivalent to 0.56 ppb (mass fraction) or .74 ugm-3 at T=298 and 1 atm. Start by solving for mass concentration Note that mass fraction is related to mole fraction as
Question- A sample of rainwater is observed to have a pH of 7.4. If only atmospheric CO2 at 380 ppm and limestone dust are present in the atmosphere to alter the pH from a neutral value, and if each raindrop has a volume of 0.02 cm^3, what mass of..
The ability to sense odor is not the only chemoreceptor response in the human body.
If 38.6 grams of hydrogen sulfide gas (H2S; MM = 34.08 g/mol) react with 36.3 grams of oxygen gas (O2, MM = 32.00 g/mol), what is the mass of sulfur dioxide (SO2, MM = 64.06 g/mol) gas produced
Compute molarity of silver nitrate (AgNO3) in a solution prepared by adding 1.62*10-2 g of AgNO3 to sufficient distilled water to bring the solution volume to 100mL
The NH3 is a weak base (Kb = 1.8 × 10-5) and so the salt NH4Cl acts as a weak acid. Explain what is the pH of a solution that is 0.037 M in NH4Cl
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