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A 0.00445 mol sample of a weak acid, HY, is dissolved in enough water to form 0.0976 L of solution. If the pH of the solution is 4.02, what is the Ka of HY? Use E notation with 3 significant figures.
What is the density of lead if a rectangular bar measuring 0.500 in height, 1.55 in width, and 25.00 in length has a mass of 220.9g.
Unit Conversions A solution (? = 1.03 g/mL) that is a mixture of water and 5wt% sufuric acid (H2SO4) ?ows through a 45-m long pipe with a 6.0 cm diameter at a rate of 87 L/min. a. What is the molarity (mol/L) of sulfuric acid in the solution?
Write the concentration of cations in mEq/L and total the concentration of cations in the solutions. Repeat for anions.
In solution in 6EB in Atkins 9th edition is not clear to me. The equation for the location of partile in the box is different from the one that is in the book.
A tanker truck carrying 2.01×10^3 kg of concentrated sulfuric acid solution tips over and spills its load. The sulfuric acid solution is 95.0% H_2SO_4 by mass and has a density of 1.84 g/L. Sodium carbonate Na_2CO_3) is used to neutralize the sulf..
Draw the structure of a compound c5h8o that reacts with phenyl-hydrazine, decolorizes bromine in dichlorometh, and does not give a positive iodoform test
Methyl salicylate is an ester and can be prepared from salicylic acid and methyl alcohol by the same method
What is the mole fraction of ethanol in a solution made from mixing 299 grams of ethanol (C2H5OH) and 360 grams of water? (Round your answer to 2 places after the decimal.)
how to interpret hnmr spectra of 1-naphthol, why are the signals that occur more upfeild occuring more up feild. and likewise why are the signals occuring more downfield occuring downfield?
Calculate the mass (g) of pure Na3AsO4 (s) and volume (mL) of 1.50 M HCl that are required to make 100.0 mL of a buffer solution at a pH of 6.80 and an H2AsO4-(aq) concentration of 0.100 M
How many non-bonding valence electrons are there in a molecule of fumaric acid?
A sample of water is collected over water at a total pressure of 616.8 mmHg at 300 C. The vapor pressure of water at 300 C is 31.8 mmHg.
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