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A 5 g antacid tablet listing aluminum hydroxide, Al(OH)3, as its active ingredient requires 138.60 mL of 0.1111 M hydrochloric acid to neutralize via titration. What is the percent (w/w) of aluminum hydroxide in the tablet?
How much slower will a reaction with 2 O3 + 10 NO be than a reaction with 6 O3 and 6 NO
Calculate the pH of a buffer that contains 0.270 M hydrofluoric acid (HF) and 0.180 M cesium fluoride (CsF). The Ka of hydrofluoric acid is 6.8 x 10^-4.
determine the partial pressure and the total pressure in a 2.50 L vessel containing the following mixture of gases at 17.8 degrees celsius
60.0 mL portion of of 1.70 M solution is diluted to a volume of 288 mili litres. A 144-mili litres portion of that solution is diluted using 115 mLili litres of H2O. Determine the final concentration.
Ethylene dibromide (EDB) is a liquid that boils at 109C. Its molecular weight is 188g/mol. Calcuate its density as a gas
In the following oxidation-reduction reaction, identify the oxidizing agent, the reducing agent, and the number of electrons transferred. 6l- (aq) + BrO3- (aq) + 6H+ (aq) --> 3I2 (aq) + Br- (aq) + 3H2O (l)
If 0.420 mol of a nonvolatile nonelectrolyte are dissolved in 3.90 mol of water, what is the vapor pressure PH2O of the resulting solution. The vapor pressure of pure water is 23.8 torr at 25.0 degrees C. Express your answer numerically in torr.
Draw three possible structures for the B3H8- ion. Clearly indicate any three-center bonds. Which structure is most plausible (considering molecular orbital theory)
Some bacteria are able to harvest infrared light of ? ~ 1000 nm. What is the maximum number of 1000 nm photons needed to form one ATP from ADP and Pi
how many liters of 0.25 M NaOH would I have to add to a acidic solution of pH 3.365 to make a solution of pH 7?Acidic solution is 50mL.
A 5.00 Liter cylinder contains 860 g of Ar gas at 27 degrees celsius. Calculate the pressure of the gas in the cylinder
which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6 At 23C
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