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Calculate [H+] and the pH of the following solutions.a. 0.012 M HNO3concentration
b.0.021 M KOHconcentration
c.0.032 M HClconcentration
d. 3.3 M HClconcentration
e. 0.019 M [(CH3)4N+]OH - (Tetramethylammonium hydroxide)concentration
Compute the hydroxide ion concentration in a NH 3 solution that is 0.091 M and 0.028 M NH 4 Cl. Kb of NH 3 is 1.8 x 10 -5 .
Calculating the Moles of Aspirin, The molecular formula for aspirin is HC9H7O4, Calculate the molecular weight for aspirin
Calculate the concentrations of all species in a 1.08 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
By what factor (The factor is the ratio of the rates) does the rate of this isomerization reaction increase as the temperature increases from 256 degree celsius to 297 degree celsius ?
The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s. At this rate, how many seconds would it take to swim 0.800 miles.
A sediment sample of clay was equilibrated with ammonium ion (NH4+). The ammonium ion was then displaced with Na+. The total amount of ammonium that had been adsorbed.
Calculate percent recovery of panacetin from the individual masses of its mictures, sucrose (.044g), aspirine (.093), and the unknown (.339).
A sample of methane gas (CH4) at 18.8 oC is heated. The pressure increases from 1.78 atm to 2.46 atm, and the volume of the sample changes from 4.09 L to 1.89 L.
Explain why it takes longer time when anyone cook an egg in boiling water while camping at in elevation of 0.5km in the mountain than it does it home.
The density of mercury (Hg, a liquid metal) is 13.6 g/mL. What volume would 305.4 grams of mercury occupy
A pound of coffee beans yields 30 cups of coffee (4 cups = 1 ). How many milliliters of coffee can be obtained from 1.0 of coffee beans.
Calculate the major product in the Williamson ether synthesis between 1-bromopentane and sodium 1-phenylethoxide. correct stereochemistry of the product must be shown in its with four bonds - with H - at the chirality center.
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