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What is the concentration (in M) of the nitrate ion when 17.3 mL of a 0.633 M solution of potassium nitrate is combined with 15.3 mL of a 0.662 M solution of aluminum nitrate to a final volume of 48.1 mL?
Consider a light-sensative reaction. What energy in joules per photon, is needed to drive the reaction if delta H of the reaction is equal to 793 kJ/mol. (Remember that there are Avogadro's number of photons per mole of photons.)
write structures for the various aldol condensation products you expect from the aldol self-condendsation of 2-butanone
When limestone (which is principally CaCO3) is heated, carbon dioxide and quicklime (CaO) are produced by the reaction CaCO3(s)?
What is the freezing point of a solution containing 3.10 grams benzene (78.11 g/mol) dissolved in 32.0 grams paradichlorobenzene
A turn-of-the-century chemist isolated an aromatic compound of molecular formula C6H4Br2. He carefully nitrated this compound and purified three isomers of formula C6H3Br2NO2, one of which was obtained in very small amounts. Propose a structure fo..
What is the charge on magnesium iodide? What does the charge on the magnesium ion have to do with the number of valence electrons that an atom of magnesium has?
What is the pH of a buffer solution that is 0.15 M chloroacetic acid and 0.10 M sodium chloroacetate? Ka = 1.3x10^-3.
if 98 g grams of CaCN2 reacts with 59 g grams of H2O, what mass of NH3 will be formed.
Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 32.0 mL. The first bulb has a volume of 35.0 mL and contains 3.00 atm of argon, the second bulb has a volume of 250 mL and contains 2.27 atm of neon
Determine what volume of .1 M HBr is required to neutralize 50 ml of .140 M Barium hydroxide and determine the normality of a solution consisting of 10.51 mg of NaOH in 591 mL of solution
A sample of Au(ClO)3 is contaminated with LiClO. An acidified 0.2000 g of this mixture is treated with excess sodium iodide and subjected to iodometric titration.
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 10.0 torr at 35 °C. The vapor pressure of pure ethanol at 35 °C is 1.00 × 10^2 torr.
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