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Using phosphoric acid, what is the pH of the solution if u add 1.524g of phosphoric acid to enough water to make 100.0mL of solution? Using pka of acid are 2.16, 7.21, and 12.32 each.
Calculate the pH at equivalence point when 40.0 ml of 0.50 M aniline is titrated with 30.0 ml of 0.67 M HBr. For aniline Kb=3.8x10exp-10 thanks answer should be pH=2.85
A sodium thiosulfate, Na2S2O3, solution has a concentration of 0.150 M. An end point for this titration occurs when 32.89 mL of the sodium thiosulfate solution reacts with 24.80 mL of I2 solution.
For the zeroth-order reaction: A ? products, what will happen to the rate of reaction if the concentration of A is doubled? A) The rate will be halved B) The rate will be doubled C) The rate will be quadrupled D) The rate will remain the same
calculate the specific heat of a substance if a 35 gram sample absorbs 28 joules as the tempature is raised from 292 kelvin to 313 kelvin.
An unknown metal m reacts with sulfur to form a compound with te formula M2S3. If 3.12g of m reacts with 2.88g of S, what are the names of M AND M2S3
Draw a phosphatidylglycerol that has caproic acid and cis-9 hexadecanoic acid. Draw and name the lipid which contains shingosine and stearic acid
Determine the number of bonding electrons and the number of nonbonding electrons in the structure of CS2
A sample of an oxide of iron weighing 2.40g was heated in a stream of hydrogen until it was completely converted to the metal,
11 g of sodium bromide nabr is mixed with 9 g of butanol ch3ch2ch2ch2oh to yield 258 mg of bromobutane ch3ch2ch2ch2br.
What combination of a molecular base and a salt of the conjugate acid of the chosen molecular base should you select to prepare a buffer solution that would maintain a pH of 10.00?
What is the cell potential for the following standard cell Cr(s) / Cr(NO3)3 // SnCl2, SnCl4 / Pt(s) b) Do you expect this cell to have a - or + ?Go
The first ionization energy of Na is 495.9 kJ/mol. What is the longest wavelength of light that could remove an electron from a Na atom
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