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Sodium hypochlorite, NaClO, is the active ingredient in bleaches. Calculate the ratio of the concentrations of ClO and HClO in a bleach soltuion having a pH adjusted to a 6.50 by the use of a strong acid or strong base.
Magnesium reacts with iron(III) chloride to form magnesium chloride and iron. 3Mg(s) + 2FeCl3(s) => 3MgCl2(s) + 2Fe(s)
Calculate the equilibrium [F-] in a saturated solution of CaF2 and 0.0214 M Ca(NO3)2. Take ionic strength effects into account.
What mass of CCl2F2 substance must evaporate in order to freeze 109 of water initially at 24 degrees celsius? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/gK .)
system and show how the pH will change upon addition of 10.0 mL each of ) 0.10 M of HCl or NaOH. Use any combination of weak acid and its salt OR weak base or its salt.
the total volume of hydrogen needed to fill the Hindenberg was 2.0x10^8 L at 1.00 atm and 25 C. How many kilojoules of energy were evolved when it burned?
added 5 mL of 0.10 M H2SO4 instead of 5mL 0.10 M of HCl calculate the ph of the solution using henderson-hasselbalch
a sample of nitrogen gas occupies a volume of 3.87 liters at 52.8oc and 2.11 atm. what will the new temperature in degc
spheres that detect glucose have a diameter of 10nm and are tightly packed into patches. Calculate the number of spheres in a 3-d patch of spheres that is 3mm high and has an area of 6mm^2.
Draw the reaction scheme (with arrows) of the Diels Alder rxn between maleic anhydride and furan. draw both the endo and exo adducts
The volume of a gas is 2.50 L, measured at 1.00 atm. What is the pressure of the gas in mmHg if the volume is changed to 9.41 L
When dissolved in water and reacted with excess silver nitrate, AgNO3 , 0.9855 g of AgCl precipitated. What is the percentage of Cl in the impure sample
Draw all of the carbocation resonance structures that result when the tosylate ion leaves from 1-(tosylmethyl)cyclohexa-1,3-diene. Input the radical lone electrons.
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