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A 100.00 mL of a 0.100M solution of Fe2+ in 1.000 M H2SO4 is titrated with a solution of 0.0200M of KMnO4 -. Calculate (a) the volume at equivalence (Vequiv), and the potential vs. a Ag/AgCl reference electrode (EAg/AgCl = 0.197 V vs SHE) after (b) 25.00 mL, (c) 50.00 mL, (d) 100.00 mL, (e) 150.00 mL.
how does the hammonds postulate explain?a. the greater selectivity for bromination vs. chlorination of an alkane?b. the
What is the molar solubility of MgCO3, a component of the mineral dolomite, at 25 degrees C
the active ingredient in toothpaste is sodium fluoride, an anticavity agent. a 170 g tube of toothpaste lists the concentration of sodium fluoride a s0.24%. how many grams of sodium fluoride are in a toothpaste.
Plot the normalized particle in a box wavefunctions for an electron in a box of 1210 pm for n=1-6 on the same plot. Are any patterns evident? what is the probability of finding an electron in the middle 605 pm for n=6
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
Draw the lewis dot structure and predict the molecular and electron-domain geometries of the following ions. a) NO2- b) CO3 2- c)ClO2-
dissolved in water to produce 25.0 mL of a solution with pH = 3.28. Determine the ionization constant of the acid.
You need to dissolve CaCl2 in water to make a mixture that is 30.5% calcium chloride by mass. If the total mass of the mixture is 726.7 g, what masses of CaCl2 and water should be used
A 26.0-g sample of ice at -11.0°C is mixed with 123.0 g of water at 90.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
calculate the energy of an electron in the hydrogen atom when n=2 and when n = 6. Calculate the wavelength of the radiation released when an electron moves from n=6 to n=2. Is this line in the visible region of the electromagnetic spectrum
Derive the rate law expression for the chlorination of vinyl chloride based on this mechanism.
potassium hydroxide to a 250 mL volumetric flask. What is the concentration of potassium hydroxide in moles per liter?
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